From 2de76cf7a3599eb66cba0b005f03793ce3e9013a Mon Sep 17 00:00:00 2001
From: Simon Jackson <none@none>
Date: Tue, 15 Nov 2016 14:52:34 +0000
Subject: [PATCH] Perfromance tweaks for H & V scroll snaps. Updated create
 option Matched Size options from HSS update in to VSS

--HG--
branch : develop_5.3
---
 Editor/UIExtensionsMenuOptions.cs      | 3260 ++++++++++++------------
 Scripts/Layout/HorizontalScrollSnap.cs |   18 +-
 Scripts/Layout/VerticalScrollSnap.cs   |   22 +-
 3 files changed, 1651 insertions(+), 1649 deletions(-)

diff --git a/Editor/UIExtensionsMenuOptions.cs b/Editor/UIExtensionsMenuOptions.cs
index bb280bb..da15245 100644
--- a/Editor/UIExtensionsMenuOptions.cs
+++ b/Editor/UIExtensionsMenuOptions.cs
@@ -5,1789 +5,1789 @@ using UnityEngine.UI.Extensions;
 
 namespace UnityEditor.UI
 {
-    /// <summary>
-    /// This script adds the Extensions UI menu options to the Unity Editor.
-    /// </summary>
-
-    static internal class ExtensionMenuOptions
-    {
-        #region Unity Builder section  - Do not change unless UI Source (Editor\MenuOptions) changes
-        #region Unity Builder properties  - Do not change unless UI Source (Editor\MenuOptions) changes
-        private const string kUILayerName = "UI";
-        private const float kWidth = 160f;
-        private const float kThickHeight = 30f;
-        private const float kThinHeight = 20f;
-        private const string kStandardSpritePath = "UI/Skin/UISprite.psd";
-        private const string kBackgroundSpriteResourcePath = "UI/Skin/Background.psd";
-        private const string kInputFieldBackgroundPath = "UI/Skin/InputFieldBackground.psd";
-        private const string kKnobPath = "UI/Skin/Knob.psd";
-        private const string kCheckmarkPath = "UI/Skin/Checkmark.psd";
-
-        private static Vector2 s_ThickGUIElementSize = new Vector2(kWidth, kThickHeight);
-        private static Vector2 s_ThinGUIElementSize = new Vector2(kWidth, kThinHeight);
-        private static Vector2 s_ImageGUIElementSize = new Vector2(100f, 100f);
-        private static Color s_DefaultSelectableColor = new Color(1f, 1f, 1f, 1f);
-        private static Color s_TextColor = new Color(50f / 255f, 50f / 255f, 50f / 255f, 1f);
-        #endregion
-        #region Unity Builder methods - Do not change unless UI Source (Editor\MenuOptions) changes
-        private static void SetPositionVisibleinSceneView(RectTransform canvasRTransform, RectTransform itemTransform)
-        {
-            // Find the best scene view
-            SceneView sceneView = SceneView.lastActiveSceneView;
-            if (sceneView == null && SceneView.sceneViews.Count > 0)
-                sceneView = SceneView.sceneViews[0] as SceneView;
-
-            // Couldn't find a SceneView. Don't set position.
-            if (sceneView == null || sceneView.camera == null)
-                return;
-
-            // Create world space Plane from canvas position.
-            Vector2 localPlanePosition;
-            Camera camera = sceneView.camera;
-            Vector3 position = Vector3.zero;
-            if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRTransform, new Vector2(camera.pixelWidth / 2, camera.pixelHeight / 2), camera, out localPlanePosition))
-            {
-                // Adjust for canvas pivot
-                localPlanePosition.x = localPlanePosition.x + canvasRTransform.sizeDelta.x * canvasRTransform.pivot.x;
-                localPlanePosition.y = localPlanePosition.y + canvasRTransform.sizeDelta.y * canvasRTransform.pivot.y;
-
-                localPlanePosition.x = Mathf.Clamp(localPlanePosition.x, 0, canvasRTransform.sizeDelta.x);
-                localPlanePosition.y = Mathf.Clamp(localPlanePosition.y, 0, canvasRTransform.sizeDelta.y);
-
-                // Adjust for anchoring
-                position.x = localPlanePosition.x - canvasRTransform.sizeDelta.x * itemTransform.anchorMin.x;
-                position.y = localPlanePosition.y - canvasRTransform.sizeDelta.y * itemTransform.anchorMin.y;
-
-                Vector3 minLocalPosition;
-                minLocalPosition.x = canvasRTransform.sizeDelta.x * (0 - canvasRTransform.pivot.x) + itemTransform.sizeDelta.x * itemTransform.pivot.x;
-                minLocalPosition.y = canvasRTransform.sizeDelta.y * (0 - canvasRTransform.pivot.y) + itemTransform.sizeDelta.y * itemTransform.pivot.y;
-
-                Vector3 maxLocalPosition;
-                maxLocalPosition.x = canvasRTransform.sizeDelta.x * (1 - canvasRTransform.pivot.x) - itemTransform.sizeDelta.x * itemTransform.pivot.x;
-                maxLocalPosition.y = canvasRTransform.sizeDelta.y * (1 - canvasRTransform.pivot.y) - itemTransform.sizeDelta.y * itemTransform.pivot.y;
-
-                position.x = Mathf.Clamp(position.x, minLocalPosition.x, maxLocalPosition.x);
-                position.y = Mathf.Clamp(position.y, minLocalPosition.y, maxLocalPosition.y);
-            }
-
-            itemTransform.anchoredPosition = position;
-            itemTransform.localRotation = Quaternion.identity;
-            itemTransform.localScale = Vector3.one;
-        }
-
-        private static GameObject CreateUIElementRoot(string name, MenuCommand menuCommand, Vector2 size)
-        {
-            GameObject parent = menuCommand.context as GameObject;
-            if (parent == null || parent.GetComponentInParent<Canvas>() == null)
-            {
-                parent = GetOrCreateCanvasGameObject();
-            }
-            GameObject child = new GameObject(name);
-
-            Undo.RegisterCreatedObjectUndo(child, "Create " + name);
-            Undo.SetTransformParent(child.transform, parent.transform, "Parent " + child.name);
-            GameObjectUtility.SetParentAndAlign(child, parent);
-
-            RectTransform rectTransform = child.AddComponent<RectTransform>();
-            rectTransform.sizeDelta = size;
-            if (parent != menuCommand.context) // not a context click, so center in sceneview
-            {
-                SetPositionVisibleinSceneView(parent.GetComponent<RectTransform>(), rectTransform);
-            }
-            Selection.activeGameObject = child;
-            return child;
-        }
-
-        static GameObject CreateUIObject(string name, GameObject parent)
-        {
-            GameObject go = new GameObject(name);
-            go.AddComponent<RectTransform>();
-            GameObjectUtility.SetParentAndAlign(go, parent);
-            return go;
-        }
-
-        static public void AddCanvas(MenuCommand menuCommand)
-        {
-            var go = CreateNewUI();
-            GameObjectUtility.SetParentAndAlign(go, menuCommand.context as GameObject);
-            if (go.transform.parent as RectTransform)
-            {
-                RectTransform rect = go.transform as RectTransform;
-                rect.anchorMin = Vector2.zero;
-                rect.anchorMax = Vector2.one;
-                rect.anchoredPosition = Vector2.zero;
-                rect.sizeDelta = Vector2.zero;
-            }
-            Selection.activeGameObject = go;
-        }
-
-        static public GameObject CreateNewUI()
-        {
-            // Root for the UI
-            var root = new GameObject("Canvas");
-            root.layer = LayerMask.NameToLayer(kUILayerName);
-            Canvas canvas = root.AddComponent<Canvas>();
-            canvas.renderMode = RenderMode.ScreenSpaceOverlay;
-            root.AddComponent<CanvasScaler>();
-            root.AddComponent<GraphicRaycaster>();
-            Undo.RegisterCreatedObjectUndo(root, "Create " + root.name);
-
-            // if there is no event system add one...
-            CreateEventSystem(false);
-            return root;
-        }
-
-        public static void CreateEventSystem(MenuCommand menuCommand)
-        {
-            GameObject parent = menuCommand.context as GameObject;
-            CreateEventSystem(true, parent);
-        }
-
-        private static void CreateEventSystem(bool select)
-        {
-            CreateEventSystem(select, null);
-        }
-
-        private static void CreateEventSystem(bool select, GameObject parent)
-        {
-            var esys = Object.FindObjectOfType<EventSystem>();
-            if (esys == null)
-            {
-                var eventSystem = new GameObject("EventSystem");
-                GameObjectUtility.SetParentAndAlign(eventSystem, parent);
-                esys = eventSystem.AddComponent<EventSystem>();
-                eventSystem.AddComponent<StandaloneInputModule>();
-
-                Undo.RegisterCreatedObjectUndo(eventSystem, "Create " + eventSystem.name);
-            }
-
-            if (select && esys != null)
-            {
-                Selection.activeGameObject = esys.gameObject;
-            }
-        }
-
-        // Helper function that returns a Canvas GameObject; preferably a parent of the selection, or other existing Canvas.
-        static public GameObject GetOrCreateCanvasGameObject()
-        {
-            GameObject selectedGo = Selection.activeGameObject;
-
-            // Try to find a gameobject that is the selected GO or one if its parents.
-            Canvas canvas = (selectedGo != null) ? selectedGo.GetComponentInParent<Canvas>() : null;
-            if (canvas != null && canvas.gameObject.activeInHierarchy)
-                return canvas.gameObject;
-
-            // No canvas in selection or its parents? Then use just any canvas..
-            canvas = Object.FindObjectOfType(typeof(Canvas)) as Canvas;
-            if (canvas != null && canvas.gameObject.activeInHierarchy)
-                return canvas.gameObject;
-
-            // No canvas in the scene at all? Then create a new one.
-            return ExtensionMenuOptions.CreateNewUI();
-        }
-
-        private static void SetDefaultColorTransitionValues(Selectable slider)
-        {
-            ColorBlock colors = slider.colors;
-            colors.highlightedColor = new Color(0.882f, 0.882f, 0.882f);
-            colors.pressedColor = new Color(0.698f, 0.698f, 0.698f);
-            colors.disabledColor = new Color(0.521f, 0.521f, 0.521f);
-        }
-
-        private static void SetDefaultTextValues(Text lbl)
-        {
-            // Set text values we want across UI elements in default controls.
-            // Don't set values which are the same as the default values for the Text component,
-            // since there's no point in that, and it's good to keep them as consistent as possible.
-            lbl.color = s_TextColor;
-        }
-        #endregion
-        #endregion
-
-        #region UI Extensions "Create" Menu items
-
-        #region Scroll Snap controls
-        [MenuItem("GameObject/UI/Extensions/Horizontal Scroll Snap", false)]
-        static public void AddHorizontalScrollSnap(MenuCommand menuCommand)
-        {
-            GameObject horizontalScrollSnapRoot = CreateUIElementRoot("Horizontal Scroll Snap", menuCommand, s_ThickGUIElementSize);
-
-            GameObject childContent = CreateUIObject("Content", horizontalScrollSnapRoot);
-
-            GameObject childPage01 = CreateUIObject("Page_01", childContent);
-
-            GameObject childText = CreateUIObject("Text", childPage01);
-
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = horizontalScrollSnapRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(300f, 150f);
-
-
-            Image image = horizontalScrollSnapRoot.AddComponent<Image>();
-            image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-            image.type = Image.Type.Sliced;
-            image.color = new Color(1f, 1f, 1f, 0.392f);
-
-            ScrollRect sr = horizontalScrollSnapRoot.AddComponent<ScrollRect>();
-            sr.vertical = false;
-            sr.horizontal = true;
-            horizontalScrollSnapRoot.AddComponent<HorizontalScrollSnap>();
-
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-
-            sr.content = rectTransformContent;
-
-            //Setup 1st Child
-            Image pageImage = childPage01.AddComponent<Image>();
-            pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-            pageImage.type = Image.Type.Sliced;
-            pageImage.color = s_DefaultSelectableColor;
-
-            RectTransform rectTransformPage01 = childPage01.GetComponent<RectTransform>();
-            rectTransformPage01.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformPage01.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformPage01.pivot = new Vector2(0f, 0.5f);
-
-            //Setup Text on Page01
-            Text text = childText.AddComponent<Text>();
-            text.text = "Page_01";
-            text.alignment = TextAnchor.MiddleCenter;
-            text.color = new Color(0.196f, 0.196f, 0.196f);
-
-            //Setup Text 1st Child
-            RectTransform rectTransformPage01Text = childText.GetComponent<RectTransform>();
-            rectTransformPage01Text.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformPage01Text.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformPage01Text.pivot = new Vector2(0.5f, 0.5f);
-
-
-            //Need to add example child components like in the Asset (SJ)
-            Selection.activeGameObject = horizontalScrollSnapRoot;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Vertical Scroll Snap", false)]
-        static public void AddVerticallScrollSnap(MenuCommand menuCommand)
-        {
-            GameObject verticalScrollSnapRoot = CreateUIElementRoot("Vertical Scroll Snap", menuCommand, s_ThickGUIElementSize);
-
-            GameObject childContent = CreateUIObject("Content", verticalScrollSnapRoot);
-
-            GameObject childPage01 = CreateUIObject("Page_01", childContent);
-
-            GameObject childText = CreateUIObject("Text", childPage01);
-
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = verticalScrollSnapRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(300f, 150f);
-
-
-            Image image = verticalScrollSnapRoot.AddComponent<Image>();
-            image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-            image.type = Image.Type.Sliced;
-            image.color = new Color(1f, 1f, 1f, 0.392f);
-
-            ScrollRect sr = verticalScrollSnapRoot.AddComponent<ScrollRect>();
-            sr.vertical = true;
-            sr.horizontal = false;
-            verticalScrollSnapRoot.AddComponent<VerticalScrollSnap>();
-
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            //rectTransformContent.anchoredPosition = Vector2.zero;
-            rectTransformContent.sizeDelta = Vector2.zero;
-
-            sr.content = rectTransformContent;
-
-            //Setup 1st Child
-            Image pageImage = childPage01.AddComponent<Image>();
-            pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-            pageImage.type = Image.Type.Sliced;
-            pageImage.color = s_DefaultSelectableColor;
-
-            RectTransform rectTransformPage01 = childPage01.GetComponent<RectTransform>();
-            rectTransformPage01.anchorMin = new Vector2(0.5f, 0f);
-            rectTransformPage01.anchorMax = new Vector2(0.5f, 0f);
-            rectTransformPage01.anchoredPosition = new Vector2(-rectTransformPage01.sizeDelta.x / 2, rectTransformPage01.sizeDelta.y / 2);
-            //rectTransformPage01.anchoredPosition = Vector2.zero;
-            //rectTransformPage01.sizeDelta = Vector2.zero;
-            rectTransformPage01.pivot = new Vector2(0f, 0.5f);
-
-            //Setup Text on Page01
-            Text text = childText.AddComponent<Text>();
-            text.text = "Page_01";
-            text.alignment = TextAnchor.MiddleCenter;
-            text.color = new Color(0.196f, 0.196f, 0.196f);
-
-            //Setup Text 1st Child
-            RectTransform rectTransformPage01Text = childText.GetComponent<RectTransform>();
-            rectTransformPage01Text.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformPage01Text.anchorMax = new Vector2(0.5f, 0.5f);
-            //rectTransformPage01Text.anchoredPosition = Vector2.zero;
-            //rectTransformPage01Text.sizeDelta = Vector2.zero;
-            rectTransformPage01Text.pivot = new Vector2(0.5f, 0.5f);
-
-
-            //Need to add example child components like in the Asset (SJ)
-
-            Selection.activeGameObject = verticalScrollSnapRoot;
-        }
-
-        #region New ScrollSnapCode
-        static public void FixedScrollSnapBase(MenuCommand menuCommand, string name, ScrollSnap.ScrollDirection direction, int itemVisible, int itemCount, Vector2 itemSize)
-        {
-            GameObject scrollSnapRoot = CreateUIElementRoot(name, menuCommand, s_ThickGUIElementSize);
-            GameObject itemList = CreateUIObject("List", scrollSnapRoot);
-
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = scrollSnapRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-
-            if (direction == ScrollSnap.ScrollDirection.Horizontal)
-            {
-                rectTransformScrollSnapRoot.sizeDelta = new Vector2(itemVisible * itemSize.x, itemSize.y);
-            }
-            else
-            {
-                rectTransformScrollSnapRoot.sizeDelta = new Vector2(itemSize.x, itemVisible * itemSize.y);
-            }
-
-            Image image = scrollSnapRoot.AddComponent<Image>();
-            image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-            image.type = Image.Type.Sliced;
-            image.color = new Color(1f, 1f, 1f, 1f);
-
-            Mask listMask = scrollSnapRoot.AddComponent<Mask>();
-            listMask.showMaskGraphic = false;
-
-            ScrollRect scrollRect = scrollSnapRoot.AddComponent<ScrollRect>();
-            scrollRect.vertical = direction == ScrollSnap.ScrollDirection.Vertical;
-            scrollRect.horizontal = direction == ScrollSnap.ScrollDirection.Horizontal;
-
-            ScrollSnap scrollSnap = scrollSnapRoot.AddComponent<ScrollSnap>();
-            scrollSnap.direction = direction;
-            scrollSnap.itemsVisibleAtOnce = itemVisible;
-
-            //Setup Content container
-            RectTransform rectTransformContent = itemList.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-            scrollRect.content = rectTransformContent;
-
-            //Setup Item list container
-            if (direction == ScrollSnap.ScrollDirection.Horizontal)
-            {
-                itemList.AddComponent<HorizontalLayoutGroup>();
-                ContentSizeFitter sizeFitter = itemList.AddComponent<ContentSizeFitter>();
-                sizeFitter.horizontalFit = ContentSizeFitter.FitMode.MinSize;
-            }
-            else
-            {
-                itemList.AddComponent<VerticalLayoutGroup>();
-                ContentSizeFitter sizeFitter = itemList.AddComponent<ContentSizeFitter>();
-                sizeFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
-            }
-
-            //Setup children
-            for (var i = 0; i < itemCount; i++)
-            {
-                GameObject item = CreateUIObject(string.Format("Item_{0:00}", i), itemList);
-                GameObject childText = CreateUIObject("Text", item);
-
-                Image pageImage = item.AddComponent<Image>();
-                pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-                pageImage.type = Image.Type.Sliced;
-                pageImage.color = s_DefaultSelectableColor;
-
-                LayoutElement elementLayout = item.AddComponent<LayoutElement>();
-                if (direction == ScrollSnap.ScrollDirection.Horizontal)
-                {
-                    elementLayout.minWidth = itemSize.x;
-                }
-                else
-                {
-                    elementLayout.minHeight = itemSize.y;
-                }
-
-                RectTransform rectTransformPage01 = item.GetComponent<RectTransform>();
-                rectTransformPage01.anchorMin = new Vector2(0f, 0.5f);
-                rectTransformPage01.anchorMax = new Vector2(0f, 0.5f);
-                rectTransformPage01.pivot = new Vector2(0f, 0.5f);
-
-                //Setup Text on Page01
-                Text text = childText.AddComponent<Text>();
-                text.text = item.name;
-                text.alignment = TextAnchor.MiddleCenter;
-                text.color = new Color(0.196f, 0.196f, 0.196f);
-
-                //Setup Text 1st Child
-                RectTransform rectTransformPage01Text = childText.GetComponent<RectTransform>();
-                rectTransformPage01Text.anchorMin = new Vector2(0.5f, 0.5f);
-                rectTransformPage01Text.anchorMax = new Vector2(0.5f, 0.5f);
-                rectTransformPage01Text.pivot = new Vector2(0.5f, 0.5f);
-            }
-            Selection.activeGameObject = scrollSnapRoot;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Horizontal Single Item", false)]
-        static public void AddFixedItemScrollSnapHorizontalSingle(MenuCommand menuCommand)
-        {
-            FixedScrollSnapBase(menuCommand, "Scroll Snap Horizontal Single", ScrollSnap.ScrollDirection.Horizontal, 1, 3, new Vector2(100, 100));
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Horizontal Multiple Items", false)]
-        static public void AddFixedItemScrollSnapHorizontalMultiple(MenuCommand menuCommand)
-        {
-            FixedScrollSnapBase(menuCommand, "Scroll Snap Horizontal Multiple", ScrollSnap.ScrollDirection.Horizontal, 3, 15, new Vector2(100, 100));
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Vertical Single Item", false)]
-        static public void AddFixedItemScrollSnapVerticalSingle(MenuCommand menuCommand)
-        {
-            FixedScrollSnapBase(menuCommand, "Scroll Snap Vertical Multiple", ScrollSnap.ScrollDirection.Vertical, 1, 3, new Vector2(100, 100));
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Vertical Multiple Items", false)]
-        static public void AddFixedItemScrollSnapVerticalMultiple(MenuCommand menuCommand)
-        {
-            FixedScrollSnapBase(menuCommand, "Scroll Snap Vertical Multiple", ScrollSnap.ScrollDirection.Vertical, 3, 15, new Vector2(100, 100));
-        }
-        #endregion
-
-        #endregion
-
-        #region UIVertical Scroller
-        [MenuItem("GameObject/UI/Extensions/UI Vertical Scroller", false)]
-        static public void AddUIVerticallScroller(MenuCommand menuCommand)
-        {
-            GameObject uiVerticalScrollerRoot = CreateUIElementRoot("UI Vertical Scroller", menuCommand, s_ThickGUIElementSize);
-
-            GameObject uiScrollerCenter = CreateUIObject("Center", uiVerticalScrollerRoot);
-
-            GameObject childContent = CreateUIObject("Content", uiVerticalScrollerRoot);
-
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = uiVerticalScrollerRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(500f, 150f);
-
-            // Add required ScrollRect
-            ScrollRect sr = uiVerticalScrollerRoot.AddComponent<ScrollRect>();
-            sr.vertical = true;
-            sr.horizontal = false;
-            sr.movementType = ScrollRect.MovementType.Unrestricted;
-            var uiscr = uiVerticalScrollerRoot.AddComponent<UIVerticalScroller>();
-
-            //Setup container center point
-            RectTransform rectTransformCenter = uiScrollerCenter.GetComponent<RectTransform>();
-            rectTransformCenter.anchorMin = new Vector2(0f, 0.3f);
-            rectTransformCenter.anchorMax = new Vector2(1f, 0.6f);
-            rectTransformCenter.sizeDelta = Vector2.zero;
-
-            uiscr._center = uiScrollerCenter.GetComponent<RectTransform>();
-
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-
-            sr.content = rectTransformContent;
-
-            // Add sample children
-            for (int i = 0; i < 10; i++)
-            {
-                GameObject childPage = CreateUIObject("Page_" + i, childContent);
-
-                GameObject childText = CreateUIObject("Text", childPage);
-
-                //Setup 1st Child
-                Image pageImage = childPage.AddComponent<Image>();
-                pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-                pageImage.type = Image.Type.Sliced;
-                pageImage.color = s_DefaultSelectableColor;
-
-                RectTransform rectTransformPage = childPage.GetComponent<RectTransform>();
-                rectTransformPage.anchorMin = new Vector2(0f, 0.5f);
-                rectTransformPage.anchorMax = new Vector2(1f, 0.5f);
-                rectTransformPage.sizeDelta = new Vector2(0f, 80f);
-                rectTransformPage.pivot = new Vector2(0.5f, 0.5f);
-                rectTransformPage.localPosition = new Vector3(0, 80 * i, 0);
-                childPage.AddComponent<Button>();
-
-                var childCG = childPage.AddComponent<CanvasGroup>();
-                childCG.interactable = false;
-
-                //Setup Text on Item
-                Text text = childText.AddComponent<Text>();
-                text.text = "Item_" + i;
-                text.alignment = TextAnchor.MiddleCenter;
-                text.color = new Color(0.196f, 0.196f, 0.196f);
-
-                //Setup Text on Item
-                RectTransform rectTransformPageText = childText.GetComponent<RectTransform>();
-                rectTransformPageText.anchorMin = new Vector2(0.5f, 0.5f);
-                rectTransformPageText.anchorMax = new Vector2(0.5f, 0.5f);
-                rectTransformPageText.pivot = new Vector2(0.5f, 0.5f);
-            }
-
-            Selection.activeGameObject = uiVerticalScrollerRoot;
-        }
-        #endregion
-
-        [MenuItem("GameObject/UI/Extensions/UI Button", false)]
-        static public void AddUIButton(MenuCommand menuCommand)
-        {
-            GameObject uiButtonRoot = CreateUIElementRoot("UI Button", menuCommand, s_ThickGUIElementSize);
-            GameObject childText = CreateUIObject("Text", uiButtonRoot);
-
-            Image image = uiButtonRoot.AddComponent<Image>();
-            image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-            image.type = Image.Type.Sliced;
-            image.color = s_DefaultSelectableColor;
-
-            Button bt = uiButtonRoot.AddComponent<Button>();
-            uiButtonRoot.AddComponent<UISelectableExtension>();
-            SetDefaultColorTransitionValues(bt);
-
-            Text text = childText.AddComponent<Text>();
-            text.text = "Button";
-            text.alignment = TextAnchor.MiddleCenter;
-            text.color = new Color(0.196f, 0.196f, 0.196f);
-
-            RectTransform textRectTransform = childText.GetComponent<RectTransform>();
-            textRectTransform.anchorMin = Vector2.zero;
-            textRectTransform.anchorMax = Vector2.one;
-            textRectTransform.sizeDelta = Vector2.zero;
-
-            Selection.activeGameObject = uiButtonRoot;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/UI Flippable", false)]
-        static public void AddUIFlippableImage(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI Flippable", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<Image>();
-            go.AddComponent<UIFlippable>();
-            Selection.activeGameObject = go;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/UI Window Base", false)]
-        static public void AddUIWindowBase(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI Window Base", menuCommand, s_ThickGUIElementSize);
-            go.AddComponent<UIWindowBase>();
-            go.AddComponent<Image>();
-            Selection.activeGameObject = go;
-        }
-
-        #region Accordian
-        [MenuItem("GameObject/UI/Extensions/Accordion/Accordion Group", false)]
-        static public void AddAccordionGroup(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("Accordion Group", menuCommand, s_ThickGUIElementSize);
-            go.AddComponent<VerticalLayoutGroup>();
-            go.AddComponent<ContentSizeFitter>();
-            go.AddComponent<ToggleGroup>();
-            go.AddComponent<Accordion>();
-            Selection.activeGameObject = go;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Accordion/Accordion Element", false)]
-        static public void AddAccordionElement(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("Accordion Element", menuCommand, s_ThickGUIElementSize);
-            go.AddComponent<LayoutElement>();
-            go.AddComponent<AccordionElement>();
-            Selection.activeGameObject = go;
-
-        }
-        #endregion
-
-        #region Drop Down controls
-        [MenuItem("GameObject/UI/Extensions/AutoComplete ComboBox", false)]
-        static public void AddAutoCompleteComboBox(MenuCommand menuCommand)
-        {
-            GameObject autoCompleteComboBoxRoot = CreateUIElementRoot("AutoCompleteComboBox", menuCommand, s_ThickGUIElementSize);
-
-            //Create Template
-            GameObject itemTemplate = AddButtonAsChild(autoCompleteComboBoxRoot);
-
-            //Create Inputfield
-            GameObject inputField = AddInputFieldAsChild(autoCompleteComboBoxRoot);
-
-            //Create Overlay
-            GameObject overlay = CreateUIObject("Overlay", autoCompleteComboBoxRoot);
-            GameObject overlayScrollPanel = CreateUIObject("ScrollPanel", overlay);
-            GameObject overlayScrollPanelItems = CreateUIObject("Items", overlayScrollPanel);
-            GameObject overlayScrollPanelScrollBar = AddScrollbarAsChild(overlayScrollPanel);
-
-            //Create Arrow Button
-            GameObject arrowButton = AddButtonAsChild(autoCompleteComboBoxRoot);
-
-            //Setup ComboBox
-            var autoCompleteComboBox = autoCompleteComboBoxRoot.AddComponent<AutoCompleteComboBox>();
-            var cbbRT = autoCompleteComboBoxRoot.GetComponent<RectTransform>();
-
-            //Setup Template
-            itemTemplate.name = "ItemTemplate";
-            var itemTemplateRT = itemTemplate.GetComponent<RectTransform>();
-            itemTemplateRT.sizeDelta = cbbRT.sizeDelta;
-            var itemTemplateButton = itemTemplate.GetComponent<Button>();
-            itemTemplateButton.transition = Selectable.Transition.None;
-            var itemTemplateLayoutElement = itemTemplate.AddComponent<LayoutElement>();
-            itemTemplateLayoutElement.minHeight = cbbRT.rect.height;
-            itemTemplate.SetActive(false);
-
-            //Setup InputField
-            var inputFieldRT = inputField.GetComponent<RectTransform>();
-            inputFieldRT.anchorMin = Vector2.zero;
-            inputFieldRT.anchorMax = Vector2.one;
-            inputFieldRT.sizeDelta = Vector2.zero;
-            Events.UnityEventTools.AddPersistentListener<string>(inputField.GetComponent<InputField>().onValueChanged, new UnityEngine.Events.UnityAction<string>(autoCompleteComboBox.OnValueChanged));
-
-            //Setup Overlay
-            var overlayRT = overlay.GetComponent<RectTransform>();
-            overlayRT.anchorMin = new Vector2(0f, 1f);
-            overlayRT.anchorMax = new Vector2(0f, 1f);
-            overlayRT.sizeDelta = new Vector2(0f, 1f);
-            overlayRT.pivot = new Vector2(0f, 1f);
-            overlay.AddComponent<Image>().color = new Color(0.243f, 0.871f, 0f, 0f);
-            Events.UnityEventTools.AddBoolPersistentListener(overlay.AddComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(autoCompleteComboBox.ToggleDropdownPanel), true);
-            //Overlay Scroll Panel
-            var overlayScrollPanelRT = overlayScrollPanel.GetComponent<RectTransform>();
-            overlayScrollPanelRT.position += new Vector3(0, -cbbRT.sizeDelta.y, 0);
-            overlayScrollPanelRT.anchorMin = new Vector2(0f, 1f);
-            overlayScrollPanelRT.anchorMax = new Vector2(0f, 1f);
-            overlayScrollPanelRT.sizeDelta = new Vector2(cbbRT.sizeDelta.x, cbbRT.sizeDelta.y * 3);
-            overlayScrollPanelRT.pivot = new Vector2(0f, 1f);
-            overlayScrollPanel.AddComponent<Image>();
-            overlayScrollPanel.AddComponent<Mask>();
-            var scrollRect = overlayScrollPanel.AddComponent<ScrollRect>();
-            scrollRect.horizontal = false;
-            scrollRect.movementType = ScrollRect.MovementType.Clamped;
-            scrollRect.verticalScrollbar = overlayScrollPanelScrollBar.GetComponent<Scrollbar>();
-            //Overlay Items list
-            var overlayScrollPanelItemsRT = overlayScrollPanelItems.GetComponent<RectTransform>();
-            overlayScrollPanelItemsRT.position += new Vector3(5, 0, 0);
-            overlayScrollPanelItemsRT.anchorMin = new Vector2(0f, 1f);
-            overlayScrollPanelItemsRT.anchorMax = new Vector2(0f, 1f);
-            overlayScrollPanelItemsRT.sizeDelta = new Vector2(120f, 5f);
-            overlayScrollPanelItemsRT.pivot = new Vector2(0f, 1f);
-            scrollRect.content = overlayScrollPanelItemsRT;
-            var overlayScrollPanelItemsVLG = overlayScrollPanelItems.AddComponent<VerticalLayoutGroup>();
-            overlayScrollPanelItemsVLG.padding = new RectOffset(0, 0, 5, 0);
-            var overlayScrollPanelItemsFitter = overlayScrollPanelItems.AddComponent<ContentSizeFitter>();
-            overlayScrollPanelItemsFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
-            //Overlay Scrollbar
-            var overlayScrollPanelScrollbarRT = overlayScrollPanelScrollBar.GetComponent<RectTransform>();
-            overlayScrollPanelScrollbarRT.anchorMin = new Vector2(1f, 0f);
-            overlayScrollPanelScrollbarRT.anchorMax = Vector2.one;
-            overlayScrollPanelScrollbarRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, 0f);
-            overlayScrollPanelScrollbarRT.pivot = Vector2.one;
-            overlayScrollPanelScrollbarRT.GetComponent<Scrollbar>().direction = Scrollbar.Direction.BottomToTop;
-            overlayScrollPanelScrollBar.transform.GetChild(0).name = "SlidingArea";
-
-            //Arrow Button
-            arrowButton.name = "ArrowBtn";
-            var arrowButtonRT = arrowButton.GetComponent<RectTransform>();
-            arrowButtonRT.anchorMin = Vector2.one;
-            arrowButtonRT.anchorMax = Vector2.one;
-            arrowButtonRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, cbbRT.sizeDelta.y);
-            arrowButtonRT.pivot = Vector2.one;
-            Events.UnityEventTools.AddBoolPersistentListener(arrowButton.GetComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(autoCompleteComboBox.ToggleDropdownPanel), true);
-            arrowButton.GetComponentInChildren<Text>().text = "▼";
-
-            Selection.activeGameObject = autoCompleteComboBoxRoot;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/ComboBox", false)]
-        static public void AddComboBox(MenuCommand menuCommand)
-        {
-            GameObject comboBoxRoot = CreateUIElementRoot("ComboBox", menuCommand, s_ThickGUIElementSize);
-
-            //Create Template
-            GameObject itemTemplate = AddButtonAsChild(comboBoxRoot);
-
-            //Create Inputfield
-            GameObject inputField = AddInputFieldAsChild(comboBoxRoot);
-
-            //Create Overlay
-            GameObject overlay = CreateUIObject("Overlay", comboBoxRoot);
-            GameObject overlayScrollPanel = CreateUIObject("ScrollPanel", overlay);
-            GameObject overlayScrollPanelItems = CreateUIObject("Items", overlayScrollPanel);
-            GameObject overlayScrollPanelScrollBar = AddScrollbarAsChild(overlayScrollPanel);
-
-            //Create Arrow Button
-            GameObject arrowButton = AddButtonAsChild(comboBoxRoot);
-
-            //Setup ComboBox
-            var comboBox = comboBoxRoot.AddComponent<ComboBox>();
-            var cbbRT = comboBoxRoot.GetComponent<RectTransform>();
-
-            //Setup Template
-            itemTemplate.name = "ItemTemplate";
-            var itemTemplateRT = itemTemplate.GetComponent<RectTransform>();
-            itemTemplateRT.sizeDelta = cbbRT.sizeDelta;
-            var itemTemplateButton = itemTemplate.GetComponent<Button>();
-            itemTemplateButton.transition = Selectable.Transition.None;
-            var itemTemplateLayoutElement = itemTemplate.AddComponent<LayoutElement>();
-            itemTemplateLayoutElement.minHeight = cbbRT.rect.height;
-            itemTemplate.SetActive(false);
-
-            //Setup InputField
-            var inputFieldRT = inputField.GetComponent<RectTransform>();
-            inputFieldRT.anchorMin = Vector2.zero;
-            inputFieldRT.anchorMax = Vector2.one;
-            inputFieldRT.sizeDelta = Vector2.zero;
-            Events.UnityEventTools.AddPersistentListener<string>(inputField.GetComponent<InputField>().onValueChanged, new UnityEngine.Events.UnityAction<string>(comboBox.OnValueChanged));
-
-            //Setup Overlay
-            var overlayRT = overlay.GetComponent<RectTransform>();
-            overlayRT.anchorMin = new Vector2(0f, 1f);
-            overlayRT.anchorMax = new Vector2(0f, 1f);
-            overlayRT.sizeDelta = new Vector2(0f, 1f);
-            overlayRT.pivot = new Vector2(0f, 1f);
-            overlay.AddComponent<Image>().color = new Color(0.243f, 0.871f, 0f, 0f);
-            Events.UnityEventTools.AddBoolPersistentListener(overlay.AddComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(comboBox.ToggleDropdownPanel), true);
-            //Overlay Scroll Panel
-            var overlayScrollPanelRT = overlayScrollPanel.GetComponent<RectTransform>();
-            overlayScrollPanelRT.position += new Vector3(0, -cbbRT.sizeDelta.y, 0);
-            overlayScrollPanelRT.anchorMin = new Vector2(0f, 1f);
-            overlayScrollPanelRT.anchorMax = new Vector2(0f, 1f);
-            overlayScrollPanelRT.sizeDelta = new Vector2(cbbRT.sizeDelta.x, cbbRT.sizeDelta.y * 3);
-            overlayScrollPanelRT.pivot = new Vector2(0f, 1f);
-            overlayScrollPanel.AddComponent<Image>();
-            overlayScrollPanel.AddComponent<Mask>();
-            var scrollRect = overlayScrollPanel.AddComponent<ScrollRect>();
-            scrollRect.horizontal = false;
-            scrollRect.movementType = ScrollRect.MovementType.Clamped;
-            scrollRect.verticalScrollbar = overlayScrollPanelScrollBar.GetComponent<Scrollbar>();
-            //Overlay Items list
-            var overlayScrollPanelItemsRT = overlayScrollPanelItems.GetComponent<RectTransform>();
-            overlayScrollPanelItemsRT.position += new Vector3(5, 0, 0);
-            overlayScrollPanelItemsRT.anchorMin = new Vector2(0f, 1f);
-            overlayScrollPanelItemsRT.anchorMax = new Vector2(0f, 1f);
-            overlayScrollPanelItemsRT.sizeDelta = new Vector2(120f, 5f);
-            overlayScrollPanelItemsRT.pivot = new Vector2(0f, 1f);
-            scrollRect.content = overlayScrollPanelItemsRT;
-            var overlayScrollPanelItemsVLG = overlayScrollPanelItems.AddComponent<VerticalLayoutGroup>();
-            overlayScrollPanelItemsVLG.padding = new RectOffset(0, 0, 5, 0);
-            var overlayScrollPanelItemsFitter = overlayScrollPanelItems.AddComponent<ContentSizeFitter>();
-            overlayScrollPanelItemsFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
-            //Overlay Scrollbar
-            var overlayScrollPanelScrollbarRT = overlayScrollPanelScrollBar.GetComponent<RectTransform>();
-            overlayScrollPanelScrollbarRT.anchorMin = new Vector2(1f, 0f);
-            overlayScrollPanelScrollbarRT.anchorMax = Vector2.one;
-            overlayScrollPanelScrollbarRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, 0f);
-            overlayScrollPanelScrollbarRT.pivot = Vector2.one;
-            overlayScrollPanelScrollbarRT.GetComponent<Scrollbar>().direction = Scrollbar.Direction.BottomToTop;
-            overlayScrollPanelScrollBar.transform.GetChild(0).name = "SlidingArea";
-
-            //Arrow Button
-            arrowButton.name = "ArrowBtn";
-            var arrowButtonRT = arrowButton.GetComponent<RectTransform>();
-            arrowButtonRT.anchorMin = Vector2.one;
-            arrowButtonRT.anchorMax = Vector2.one;
-            arrowButtonRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, cbbRT.sizeDelta.y);
-            arrowButtonRT.pivot = Vector2.one;
-            Events.UnityEventTools.AddBoolPersistentListener(arrowButton.GetComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(comboBox.ToggleDropdownPanel), true);
-            arrowButton.GetComponentInChildren<Text>().text = "▼";
-
-            Selection.activeGameObject = comboBoxRoot;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/DropDownList", false)]
-        static public void AddDropDownList(MenuCommand menuCommand)
-        {
-            GameObject dropDownListRoot = CreateUIElementRoot("DropDownList", menuCommand, s_ThickGUIElementSize);
-
-            //Create Template
-            GameObject itemTemplate = AddButtonAsChild(dropDownListRoot);
-            GameObject itemTemplateImage = AddImageAsChild(itemTemplate);
-            itemTemplateImage.GetComponent<Transform>().SetSiblingIndex(0);
-
-            //Create Main Button
-            GameObject mainButton = AddButtonAsChild(dropDownListRoot);
-            GameObject mainButtonImage = AddImageAsChild(mainButton);
-            mainButtonImage.GetComponent<Transform>().SetSiblingIndex(0);
-
-            //Create Overlay
-            GameObject overlay = CreateUIObject("Overlay", dropDownListRoot);
-            GameObject overlayScrollPanel = CreateUIObject("ScrollPanel", overlay);
-            GameObject overlayScrollPanelItems = CreateUIObject("Items", overlayScrollPanel);
-            GameObject overlayScrollPanelScrollBar = AddScrollbarAsChild(overlayScrollPanel);
-
-            //Create Arrow Button
-            GameObject arrowText = AddTextAsChild(dropDownListRoot);
-
-            //Setup DropDownList
-            var dropDownList = dropDownListRoot.AddComponent<DropDownList>();
-            var cbbRT = dropDownListRoot.GetComponent<RectTransform>();
-
-            //Setup Template
-            itemTemplate.name = "ItemTemplate";
-            var itemTemplateRT = itemTemplate.GetComponent<RectTransform>();
-            itemTemplateRT.sizeDelta = cbbRT.sizeDelta;
-            var itemTemplateButton = itemTemplate.GetComponent<Button>();
-            itemTemplateButton.transition = Selectable.Transition.None;
-            var itemTemplateLayoutElement = itemTemplate.AddComponent<LayoutElement>();
-            itemTemplateLayoutElement.minHeight = cbbRT.rect.height;
-            itemTemplate.SetActive(false);
-            //Item Template Image
-            var itemTemplateImageRT = itemTemplateImage.GetComponent<RectTransform>();
-            itemTemplateImageRT.anchorMin = Vector2.zero;
-            itemTemplateImageRT.anchorMax = new Vector2(0f, 1f);
-            itemTemplateImageRT.pivot = new Vector2(0f, 1f);
-            itemTemplateImageRT.sizeDelta = Vector2.one;
-            itemTemplateImageRT.offsetMin = new Vector2(4f, 4f);
-            itemTemplateImageRT.offsetMax = new Vector2(22f, -4f);
-            itemTemplateImage.GetComponent<Image>().color = new Color(0, 0, 0, 0);
-
-            //Setup Main Button
-            mainButton.name = "MainButton";
-            var mainButtonRT = mainButton.GetComponent<RectTransform>();
-            mainButtonRT.anchorMin = Vector2.zero;
-            mainButtonRT.anchorMax = Vector2.one;
-            mainButtonRT.sizeDelta = Vector2.zero;
-            Events.UnityEventTools.AddBoolPersistentListener(mainButton.GetComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(dropDownList.ToggleDropdownPanel), true);
-            var mainButtonText = mainButton.GetComponentInChildren<Text>();
-            mainButtonText.alignment = TextAnchor.MiddleLeft;
-            mainButtonText.text = "Select Item...";
-            var mainButtonTextRT = mainButtonText.GetComponent<RectTransform>();
-            mainButtonTextRT.anchorMin = Vector2.zero;
-            mainButtonTextRT.anchorMin = Vector2.zero;
-            mainButtonTextRT.pivot = new Vector2(0f, 1f);
-            mainButtonTextRT.offsetMin = new Vector2(10f, 0f);
-            mainButtonTextRT.offsetMax = new Vector2(-4f, 0f);
-            //Main Button Image
-            var mainButtonImageRT = mainButtonImage.GetComponent<RectTransform>();
-            mainButtonImageRT.anchorMin = Vector2.zero;
-            mainButtonImageRT.anchorMax = new Vector2(0f, 1f);
-            mainButtonImageRT.pivot = new Vector2(0f, 1f);
-            mainButtonImageRT.sizeDelta = Vector2.one;
-            mainButtonImageRT.offsetMin = new Vector2(4f, 4f);
-            mainButtonImageRT.offsetMax = new Vector2(22f, -4f);
-            mainButtonImageRT.GetComponent<Image>().color = new Color(1, 1, 1, 0);
-
-
-            //Setup Overlay
-            var overlayRT = overlay.GetComponent<RectTransform>();
-            overlayRT.anchorMin = new Vector2(0f, 1f);
-            overlayRT.anchorMax = new Vector2(0f, 1f);
-            overlayRT.sizeDelta = new Vector2(0f, 1f);
-            overlayRT.pivot = new Vector2(0f, 1f);
-            overlay.AddComponent<Image>().color = new Color(0.243f, 0.871f, 0f, 0f);
-            Events.UnityEventTools.AddBoolPersistentListener(overlay.AddComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(dropDownList.ToggleDropdownPanel), true);
-            //Overlay Scroll Panel
-            var overlayScrollPanelRT = overlayScrollPanel.GetComponent<RectTransform>();
-            overlayScrollPanelRT.position += new Vector3(0, -cbbRT.sizeDelta.y, 0);
-            overlayScrollPanelRT.anchorMin = new Vector2(0f, 1f);
-            overlayScrollPanelRT.anchorMax = new Vector2(0f, 1f);
-            overlayScrollPanelRT.sizeDelta = new Vector2(cbbRT.sizeDelta.x, cbbRT.sizeDelta.y * 3);
-            overlayScrollPanelRT.pivot = new Vector2(0f, 1f);
-            overlayScrollPanel.AddComponent<Image>();
-            overlayScrollPanel.AddComponent<Mask>();
-            var scrollRect = overlayScrollPanel.AddComponent<ScrollRect>();
-            scrollRect.horizontal = false;
-            scrollRect.movementType = ScrollRect.MovementType.Clamped;
-            scrollRect.verticalScrollbar = overlayScrollPanelScrollBar.GetComponent<Scrollbar>();
-            //Overlay Items list
-            var overlayScrollPanelItemsRT = overlayScrollPanelItems.GetComponent<RectTransform>();
-            overlayScrollPanelItemsRT.position += new Vector3(5, 0, 0);
-            overlayScrollPanelItemsRT.anchorMin = new Vector2(0f, 1f);
-            overlayScrollPanelItemsRT.anchorMax = new Vector2(0f, 1f);
-            overlayScrollPanelItemsRT.sizeDelta = new Vector2(120f, 5f);
-            overlayScrollPanelItemsRT.pivot = new Vector2(0f, 1f);
-            scrollRect.content = overlayScrollPanelItemsRT;
-            var overlayScrollPanelItemsVLG = overlayScrollPanelItems.AddComponent<VerticalLayoutGroup>();
-            overlayScrollPanelItemsVLG.padding = new RectOffset(0, 0, 5, 0);
-            var overlayScrollPanelItemsFitter = overlayScrollPanelItems.AddComponent<ContentSizeFitter>();
-            overlayScrollPanelItemsFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
-            //Overlay Scrollbar
-            var overlayScrollPanelScrollbarRT = overlayScrollPanelScrollBar.GetComponent<RectTransform>();
-            overlayScrollPanelScrollbarRT.anchorMin = new Vector2(1f, 0f);
-            overlayScrollPanelScrollbarRT.anchorMax = Vector2.one;
-            overlayScrollPanelScrollbarRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, 0f);
-            overlayScrollPanelScrollbarRT.pivot = Vector2.one;
-            overlayScrollPanelScrollbarRT.GetComponent<Scrollbar>().direction = Scrollbar.Direction.BottomToTop;
-            overlayScrollPanelScrollBar.transform.GetChild(0).name = "SlidingArea";
-
-            //Arrow Button
-            arrowText.name = "Arrow";
-            var arrowTextRT = arrowText.GetComponent<RectTransform>();
-            arrowTextRT.anchorMin = new Vector2(1f, 0f);
-            arrowTextRT.anchorMax = Vector2.one;
-            arrowTextRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, cbbRT.sizeDelta.y);
-            arrowTextRT.pivot = new Vector2(1f, 0.5f);
-            var arrowTextComponent = arrowText.GetComponent<Text>();
-            arrowTextComponent.text = "▼";
-            arrowTextComponent.alignment = TextAnchor.MiddleCenter;
-            var arrowTextCanvasGroup = arrowText.AddComponent<CanvasGroup>();
-            arrowTextCanvasGroup.interactable = false;
-            arrowTextCanvasGroup.blocksRaycasts = false;
-            Selection.activeGameObject = dropDownListRoot;
-        }
-        #endregion
-
-        #region RTS Selection box
-        [MenuItem("GameObject/UI/Extensions/Selection Box", false)]
-        static public void AddSelectionBox(MenuCommand menuCommand)
-        {
-            var go = CreateNewUI();
-            go.name = "Selection Box";
-            GameObjectUtility.SetParentAndAlign(go, menuCommand.context as GameObject);
-            RectTransform rect = go.transform as RectTransform;
-            rect.anchorMin = Vector2.zero;
-            rect.anchorMax = Vector2.one;
-            rect.anchoredPosition = Vector2.zero;
-            rect.sizeDelta = Vector2.zero;
-
-            Image image = go.AddComponent<Image>();
-            image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-            image.type = Image.Type.Sliced;
-            image.fillCenter = false;
-            image.color = new Color(1f, 1f, 1f, 0.392f);
-
-
-            SelectionBox selectableArea = go.AddComponent<SelectionBox>();
-            selectableArea.selectionMask = rect;
-            selectableArea.color = new Color(0.816f, 0.816f, 0.816f, 0.353f);
-
-
-            GameObject childSelectableItem = CreateUIObject("Selectable", go);
-            childSelectableItem.AddComponent<Image>();
-            childSelectableItem.AddComponent<ExampleSelectable>();
-
-
-            Selection.activeGameObject = go;
-        }
-        #endregion
-
-        #region Bound Tooltip
-        [MenuItem("GameObject/UI/Extensions/Bound Tooltip/Tooltip", false)]
-        static public void AddBoundTooltip(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("Tooltip", menuCommand, s_ImageGUIElementSize);
-            var tooltip = go.AddComponent<BoundTooltipTrigger>();
-            tooltip.text = "This is my Tooltip Text";
-            var boundTooltip = go.AddComponent<Image>();
-            boundTooltip.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-
-            // if there is no ToolTipItem add one...
-            CreateToolTipItem(false, go);
-            Selection.activeGameObject = go;
-        }
-
-        private static void CreateToolTipItem(bool select)
-        {
-            CreateToolTipItem(select, null);
-        }
-
-        private static void CreateToolTipItem(bool select, GameObject parent)
-        {
-            var btti = Object.FindObjectOfType<BoundTooltipItem>();
-            if (btti == null)
-            {
-                var boundTooltipItem = CreateUIObject("ToolTipItem", parent.GetComponentInParent<Canvas>().gameObject);
-                btti = boundTooltipItem.AddComponent<BoundTooltipItem>();
-                var boundTooltipItemCanvasGroup = boundTooltipItem.AddComponent<CanvasGroup>();
-                boundTooltipItemCanvasGroup.interactable = false;
-                boundTooltipItemCanvasGroup.blocksRaycasts = false;
-                var boundTooltipItemImage = boundTooltipItem.AddComponent<Image>();
-                boundTooltipItemImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-                var boundTooltipItemText = CreateUIObject("Text", boundTooltipItem);
-                var boundTooltipItemTextRT = boundTooltipItemText.GetComponent<RectTransform>();
-                boundTooltipItemTextRT.anchorMin = Vector2.zero;
-                boundTooltipItemTextRT.anchorMax = Vector2.one;
-                boundTooltipItemTextRT.sizeDelta = Vector2.one;
-                var boundTooltipItemTextcomponent = boundTooltipItemText.AddComponent<Text>();
-                boundTooltipItemTextcomponent.alignment = TextAnchor.MiddleCenter;
-                Undo.RegisterCreatedObjectUndo(boundTooltipItem, "Create " + boundTooltipItem.name);
-            }
-
-            if (select && btti != null)
-            {
-                Selection.activeGameObject = btti.gameObject;
-            }
-        }
-
-        #endregion
-
-        #region Progress bar
-        [MenuItem("GameObject/UI/Extensions/Progress Bar", false)]
-        static public void AddSlider(MenuCommand menuCommand)
-        {
-            // Create GOs Hierarchy
-            GameObject root = CreateUIElementRoot("Progress Bar", menuCommand, s_ThinGUIElementSize);
-
-            GameObject background = CreateUIObject("Background", root);
-            GameObject fillArea = CreateUIObject("Fill Area", root);
-            GameObject fill = CreateUIObject("Fill", fillArea);
-
-            // Background
-            Image backgroundImage = background.AddComponent<Image>();
-            backgroundImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-            backgroundImage.type = Image.Type.Sliced;
-            backgroundImage.color = s_DefaultSelectableColor;
-            RectTransform backgroundRect = background.GetComponent<RectTransform>();
-            backgroundRect.anchorMin = new Vector2(0, 0.25f);
-            backgroundRect.anchorMax = new Vector2(1, 0.75f);
-            backgroundRect.sizeDelta = new Vector2(0, 0);
-
-            // Fill Area
-            RectTransform fillAreaRect = fillArea.GetComponent<RectTransform>();
-            fillAreaRect.anchorMin = new Vector2(0, 0.25f);
-            fillAreaRect.anchorMax = new Vector2(1, 0.75f);
-            fillAreaRect.anchoredPosition = Vector2.zero;
-            fillAreaRect.sizeDelta = Vector2.zero;
-
-            // Fill
-            Image fillImage = fill.AddComponent<Image>();
-            fillImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-            fillImage.type = Image.Type.Sliced;
-            fillImage.color = s_DefaultSelectableColor;
-
-            RectTransform fillRect = fill.GetComponent<RectTransform>();
-            fillRect.sizeDelta = Vector2.zero;
-
-            // Setup slider component
-            Slider slider = root.AddComponent<Slider>();
-            slider.value = 0;
-            slider.fillRect = fill.GetComponent<RectTransform>();
-            slider.targetGraphic = fillImage;
-            slider.direction = Slider.Direction.LeftToRight;
-            SetDefaultColorTransitionValues(slider);
-        }
-        #endregion
-
-        #region Primitives
-
-        [MenuItem("GameObject/UI/Extensions/Primitives/UI Line Renderer", false)]
-        static public void AddUILineRenderer(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI LineRenderer", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<UILineRenderer>();
-            Selection.activeGameObject = go;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Primitives/UI Line Texture Renderer", false)]
-        static public void AddUILineTextureRenderer(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI LineTextureRenderer", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<UILineTextureRenderer>();
-            Selection.activeGameObject = go;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Primitives/UI Circle", false)]
-        static public void AddUICircle(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI Circle", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<UICircle>();
-            Selection.activeGameObject = go;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Primitives/UI Diamond Graph", false)]
-        static public void AddDiamondGraph(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI Diamond Graph", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<DiamondGraph>();
-            Selection.activeGameObject = go;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Primitives/UI Cut Corners", false)]
-        static public void AddCutCorners(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI Cut Corners", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<UICornerCut>();
-            Selection.activeGameObject = go;
-        }
-
-        [MenuItem("GameObject/UI/Extensions/Primitives/UI Polygon", false)]
-        static public void AddPolygon(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI Polygon", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<UIPolygon>();
-            Selection.activeGameObject = go;
-        }
-        #endregion
-
-        #region Re-Orderable Lists
-
-        [MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Vertical Scroll Rect", false)]
-        static public void AddReorderableScrollRectVertical(MenuCommand menuCommand)
-        {
-            GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Vertical ScrollRect", menuCommand, s_ThickGUIElementSize);
-
-            GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
-
-            GameObject Element01 = CreateUIObject("Element_01", childContent);
-            GameObject Element02 = CreateUIObject("Element_02", childContent);
-            GameObject Element03 = CreateUIObject("Element_03", childContent);
-
-
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
-
-
-            Image image = reorderableScrollRoot.AddComponent<Image>();
-            image.color = new Color(1f, 1f, 1f, 0.392f);
-
-            ScrollRect sr = reorderableScrollRoot.AddComponent<ScrollRect>();
-            sr.vertical = true;
-            sr.horizontal = false;
-
-            LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
-            reorderableScrollRootLE.preferredHeight = 300;
-
-            reorderableScrollRoot.AddComponent<Mask>();
-            ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
-
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-            VerticalLayoutGroup childContentVLG = childContent.AddComponent<VerticalLayoutGroup>();
-            ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
-            childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
-
-            sr.content = rectTransformContent;
-            reorderableScrollRootRL.ContentLayout = childContentVLG;
-
-            //Setup 1st Child
-            Image Element01Image = Element01.AddComponent<Image>();
-            Element01Image.color = Color.green;
-
-            RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
-            rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
-
-            LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
-            LEElement01.minHeight = 50;
-
-            //Setup 2nd Child
-            Image Element02Image = Element02.AddComponent<Image>();
-            Element02Image.color = Color.red;
-
-            RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
-            rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
-
-            LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
-            LEElement02.minHeight = 50;
+	/// <summary>
+	/// This script adds the Extensions UI menu options to the Unity Editor.
+	/// </summary>
+
+	static internal class ExtensionMenuOptions
+	{
+		#region Unity Builder section  - Do not change unless UI Source (Editor\MenuOptions) changes
+		#region Unity Builder properties  - Do not change unless UI Source (Editor\MenuOptions) changes
+		private const string kUILayerName = "UI";
+		private const float kWidth = 160f;
+		private const float kThickHeight = 30f;
+		private const float kThinHeight = 20f;
+		private const string kStandardSpritePath = "UI/Skin/UISprite.psd";
+		private const string kBackgroundSpriteResourcePath = "UI/Skin/Background.psd";
+		private const string kInputFieldBackgroundPath = "UI/Skin/InputFieldBackground.psd";
+		private const string kKnobPath = "UI/Skin/Knob.psd";
+		private const string kCheckmarkPath = "UI/Skin/Checkmark.psd";
+
+		private static Vector2 s_ThickGUIElementSize = new Vector2(kWidth, kThickHeight);
+		private static Vector2 s_ThinGUIElementSize = new Vector2(kWidth, kThinHeight);
+		private static Vector2 s_ImageGUIElementSize = new Vector2(100f, 100f);
+		private static Color s_DefaultSelectableColor = new Color(1f, 1f, 1f, 1f);
+		private static Color s_TextColor = new Color(50f / 255f, 50f / 255f, 50f / 255f, 1f);
+		#endregion
+		#region Unity Builder methods - Do not change unless UI Source (Editor\MenuOptions) changes
+		private static void SetPositionVisibleinSceneView(RectTransform canvasRTransform, RectTransform itemTransform)
+		{
+			// Find the best scene view
+			SceneView sceneView = SceneView.lastActiveSceneView;
+			if (sceneView == null && SceneView.sceneViews.Count > 0)
+				sceneView = SceneView.sceneViews[0] as SceneView;
+
+			// Couldn't find a SceneView. Don't set position.
+			if (sceneView == null || sceneView.camera == null)
+				return;
+
+			// Create world space Plane from canvas position.
+			Vector2 localPlanePosition;
+			Camera camera = sceneView.camera;
+			Vector3 position = Vector3.zero;
+			if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRTransform, new Vector2(camera.pixelWidth / 2, camera.pixelHeight / 2), camera, out localPlanePosition))
+			{
+				// Adjust for canvas pivot
+				localPlanePosition.x = localPlanePosition.x + canvasRTransform.sizeDelta.x * canvasRTransform.pivot.x;
+				localPlanePosition.y = localPlanePosition.y + canvasRTransform.sizeDelta.y * canvasRTransform.pivot.y;
+
+				localPlanePosition.x = Mathf.Clamp(localPlanePosition.x, 0, canvasRTransform.sizeDelta.x);
+				localPlanePosition.y = Mathf.Clamp(localPlanePosition.y, 0, canvasRTransform.sizeDelta.y);
+
+				// Adjust for anchoring
+				position.x = localPlanePosition.x - canvasRTransform.sizeDelta.x * itemTransform.anchorMin.x;
+				position.y = localPlanePosition.y - canvasRTransform.sizeDelta.y * itemTransform.anchorMin.y;
+
+				Vector3 minLocalPosition;
+				minLocalPosition.x = canvasRTransform.sizeDelta.x * (0 - canvasRTransform.pivot.x) + itemTransform.sizeDelta.x * itemTransform.pivot.x;
+				minLocalPosition.y = canvasRTransform.sizeDelta.y * (0 - canvasRTransform.pivot.y) + itemTransform.sizeDelta.y * itemTransform.pivot.y;
+
+				Vector3 maxLocalPosition;
+				maxLocalPosition.x = canvasRTransform.sizeDelta.x * (1 - canvasRTransform.pivot.x) - itemTransform.sizeDelta.x * itemTransform.pivot.x;
+				maxLocalPosition.y = canvasRTransform.sizeDelta.y * (1 - canvasRTransform.pivot.y) - itemTransform.sizeDelta.y * itemTransform.pivot.y;
+
+				position.x = Mathf.Clamp(position.x, minLocalPosition.x, maxLocalPosition.x);
+				position.y = Mathf.Clamp(position.y, minLocalPosition.y, maxLocalPosition.y);
+			}
+
+			itemTransform.anchoredPosition = position;
+			itemTransform.localRotation = Quaternion.identity;
+			itemTransform.localScale = Vector3.one;
+		}
+
+		private static GameObject CreateUIElementRoot(string name, MenuCommand menuCommand, Vector2 size)
+		{
+			GameObject parent = menuCommand.context as GameObject;
+			if (parent == null || parent.GetComponentInParent<Canvas>() == null)
+			{
+				parent = GetOrCreateCanvasGameObject();
+			}
+			GameObject child = new GameObject(name);
+
+			Undo.RegisterCreatedObjectUndo(child, "Create " + name);
+			Undo.SetTransformParent(child.transform, parent.transform, "Parent " + child.name);
+			GameObjectUtility.SetParentAndAlign(child, parent);
+
+			RectTransform rectTransform = child.AddComponent<RectTransform>();
+			rectTransform.sizeDelta = size;
+			if (parent != menuCommand.context) // not a context click, so center in sceneview
+			{
+				SetPositionVisibleinSceneView(parent.GetComponent<RectTransform>(), rectTransform);
+			}
+			Selection.activeGameObject = child;
+			return child;
+		}
+
+		static GameObject CreateUIObject(string name, GameObject parent)
+		{
+			GameObject go = new GameObject(name);
+			go.AddComponent<RectTransform>();
+			GameObjectUtility.SetParentAndAlign(go, parent);
+			return go;
+		}
+
+		static public void AddCanvas(MenuCommand menuCommand)
+		{
+			var go = CreateNewUI();
+			GameObjectUtility.SetParentAndAlign(go, menuCommand.context as GameObject);
+			if (go.transform.parent as RectTransform)
+			{
+				RectTransform rect = go.transform as RectTransform;
+				rect.anchorMin = Vector2.zero;
+				rect.anchorMax = Vector2.one;
+				rect.anchoredPosition = Vector2.zero;
+				rect.sizeDelta = Vector2.zero;
+			}
+			Selection.activeGameObject = go;
+		}
+
+		static public GameObject CreateNewUI()
+		{
+			// Root for the UI
+			var root = new GameObject("Canvas");
+			root.layer = LayerMask.NameToLayer(kUILayerName);
+			Canvas canvas = root.AddComponent<Canvas>();
+			canvas.renderMode = RenderMode.ScreenSpaceOverlay;
+			root.AddComponent<CanvasScaler>();
+			root.AddComponent<GraphicRaycaster>();
+			Undo.RegisterCreatedObjectUndo(root, "Create " + root.name);
+
+			// if there is no event system add one...
+			CreateEventSystem(false);
+			return root;
+		}
+
+		public static void CreateEventSystem(MenuCommand menuCommand)
+		{
+			GameObject parent = menuCommand.context as GameObject;
+			CreateEventSystem(true, parent);
+		}
+
+		private static void CreateEventSystem(bool select)
+		{
+			CreateEventSystem(select, null);
+		}
+
+		private static void CreateEventSystem(bool select, GameObject parent)
+		{
+			var esys = Object.FindObjectOfType<EventSystem>();
+			if (esys == null)
+			{
+				var eventSystem = new GameObject("EventSystem");
+				GameObjectUtility.SetParentAndAlign(eventSystem, parent);
+				esys = eventSystem.AddComponent<EventSystem>();
+				eventSystem.AddComponent<StandaloneInputModule>();
+
+				Undo.RegisterCreatedObjectUndo(eventSystem, "Create " + eventSystem.name);
+			}
+
+			if (select && esys != null)
+			{
+				Selection.activeGameObject = esys.gameObject;
+			}
+		}
+
+		// Helper function that returns a Canvas GameObject; preferably a parent of the selection, or other existing Canvas.
+		static public GameObject GetOrCreateCanvasGameObject()
+		{
+			GameObject selectedGo = Selection.activeGameObject;
+
+			// Try to find a gameobject that is the selected GO or one if its parents.
+			Canvas canvas = (selectedGo != null) ? selectedGo.GetComponentInParent<Canvas>() : null;
+			if (canvas != null && canvas.gameObject.activeInHierarchy)
+				return canvas.gameObject;
+
+			// No canvas in selection or its parents? Then use just any canvas..
+			canvas = Object.FindObjectOfType(typeof(Canvas)) as Canvas;
+			if (canvas != null && canvas.gameObject.activeInHierarchy)
+				return canvas.gameObject;
+
+			// No canvas in the scene at all? Then create a new one.
+			return ExtensionMenuOptions.CreateNewUI();
+		}
+
+		private static void SetDefaultColorTransitionValues(Selectable slider)
+		{
+			ColorBlock colors = slider.colors;
+			colors.highlightedColor = new Color(0.882f, 0.882f, 0.882f);
+			colors.pressedColor = new Color(0.698f, 0.698f, 0.698f);
+			colors.disabledColor = new Color(0.521f, 0.521f, 0.521f);
+		}
+
+		private static void SetDefaultTextValues(Text lbl)
+		{
+			// Set text values we want across UI elements in default controls.
+			// Don't set values which are the same as the default values for the Text component,
+			// since there's no point in that, and it's good to keep them as consistent as possible.
+			lbl.color = s_TextColor;
+		}
+		#endregion
+		#endregion
+
+		#region UI Extensions "Create" Menu items
+
+		#region Scroll Snap controls
+		[MenuItem("GameObject/UI/Extensions/Horizontal Scroll Snap", false)]
+		static public void AddHorizontalScrollSnap(MenuCommand menuCommand)
+		{
+			GameObject horizontalScrollSnapRoot = CreateUIElementRoot("Horizontal Scroll Snap", menuCommand, s_ThickGUIElementSize);
+
+			GameObject childContent = CreateUIObject("Content", horizontalScrollSnapRoot);
+
+			GameObject childPage01 = CreateUIObject("Page_01", childContent);
+
+			GameObject childText = CreateUIObject("Text", childPage01);
+
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = horizontalScrollSnapRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(300f, 150f);
+
+
+			Image image = horizontalScrollSnapRoot.AddComponent<Image>();
+			image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+			image.type = Image.Type.Sliced;
+			image.color = new Color(1f, 1f, 1f, 0.392f);
+
+			ScrollRect sr = horizontalScrollSnapRoot.AddComponent<ScrollRect>();
+			sr.vertical = false;
+			sr.horizontal = true;
+			horizontalScrollSnapRoot.AddComponent<HorizontalScrollSnap>();
+
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+
+			sr.content = rectTransformContent;
+
+			//Setup 1st Child
+			Image pageImage = childPage01.AddComponent<Image>();
+			pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+			pageImage.type = Image.Type.Sliced;
+			pageImage.color = s_DefaultSelectableColor;
+
+			RectTransform rectTransformPage01 = childPage01.GetComponent<RectTransform>();
+			rectTransformPage01.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformPage01.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformPage01.pivot = new Vector2(0f, 0.5f);
+
+			//Setup Text on Page01
+			Text text = childText.AddComponent<Text>();
+			text.text = "Page_01";
+			text.alignment = TextAnchor.MiddleCenter;
+			text.color = new Color(0.196f, 0.196f, 0.196f);
+
+			//Setup Text 1st Child
+			RectTransform rectTransformPage01Text = childText.GetComponent<RectTransform>();
+			rectTransformPage01Text.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformPage01Text.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformPage01Text.pivot = new Vector2(0.5f, 0.5f);
+
+
+			//Need to add example child components like in the Asset (SJ)
+			Selection.activeGameObject = horizontalScrollSnapRoot;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Vertical Scroll Snap", false)]
+		static public void AddVerticallScrollSnap(MenuCommand menuCommand)
+		{
+			GameObject verticalScrollSnapRoot = CreateUIElementRoot("Vertical Scroll Snap", menuCommand, s_ThickGUIElementSize);
+
+			GameObject childContent = CreateUIObject("Content", verticalScrollSnapRoot);
+
+			GameObject childPage01 = CreateUIObject("Page_01", childContent);
+
+			GameObject childText = CreateUIObject("Text", childPage01);
+
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = verticalScrollSnapRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(300f, 150f);
+
+
+			Image image = verticalScrollSnapRoot.AddComponent<Image>();
+			image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+			image.type = Image.Type.Sliced;
+			image.color = new Color(1f, 1f, 1f, 0.392f);
+
+			ScrollRect sr = verticalScrollSnapRoot.AddComponent<ScrollRect>();
+			sr.vertical = true;
+			sr.horizontal = false;
+			verticalScrollSnapRoot.AddComponent<VerticalScrollSnap>();
+
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			//rectTransformContent.anchoredPosition = Vector2.zero;
+			rectTransformContent.sizeDelta = Vector2.zero;
+
+			sr.content = rectTransformContent;
+
+			//Setup 1st Child
+			Image pageImage = childPage01.AddComponent<Image>();
+			pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+			pageImage.type = Image.Type.Sliced;
+			pageImage.color = s_DefaultSelectableColor;
+
+			RectTransform rectTransformPage01 = childPage01.GetComponent<RectTransform>();
+			rectTransformPage01.anchorMin = new Vector2(0.5f, 0f);
+			rectTransformPage01.anchorMax = new Vector2(0.5f, 0f);
+			rectTransformPage01.anchoredPosition = new Vector2(-rectTransformPage01.sizeDelta.x / 2, rectTransformPage01.sizeDelta.y / 2);
+			//rectTransformPage01.anchoredPosition = Vector2.zero;
+			//rectTransformPage01.sizeDelta = Vector2.zero;
+			rectTransformPage01.pivot = new Vector2(0.5f, 0f);
+
+			//Setup Text on Page01
+			Text text = childText.AddComponent<Text>();
+			text.text = "Page_01";
+			text.alignment = TextAnchor.MiddleCenter;
+			text.color = new Color(0.196f, 0.196f, 0.196f);
+
+			//Setup Text 1st Child
+			RectTransform rectTransformPage01Text = childText.GetComponent<RectTransform>();
+			rectTransformPage01Text.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformPage01Text.anchorMax = new Vector2(0.5f, 0.5f);
+			//rectTransformPage01Text.anchoredPosition = Vector2.zero;
+			//rectTransformPage01Text.sizeDelta = Vector2.zero;
+			rectTransformPage01Text.pivot = new Vector2(0.5f, 0.5f);
+
+
+			//Need to add example child components like in the Asset (SJ)
+
+			Selection.activeGameObject = verticalScrollSnapRoot;
+		}
+
+		#region New ScrollSnapCode
+		static public void FixedScrollSnapBase(MenuCommand menuCommand, string name, ScrollSnap.ScrollDirection direction, int itemVisible, int itemCount, Vector2 itemSize)
+		{
+			GameObject scrollSnapRoot = CreateUIElementRoot(name, menuCommand, s_ThickGUIElementSize);
+			GameObject itemList = CreateUIObject("List", scrollSnapRoot);
+
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = scrollSnapRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+
+			if (direction == ScrollSnap.ScrollDirection.Horizontal)
+			{
+				rectTransformScrollSnapRoot.sizeDelta = new Vector2(itemVisible * itemSize.x, itemSize.y);
+			}
+			else
+			{
+				rectTransformScrollSnapRoot.sizeDelta = new Vector2(itemSize.x, itemVisible * itemSize.y);
+			}
+
+			Image image = scrollSnapRoot.AddComponent<Image>();
+			image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+			image.type = Image.Type.Sliced;
+			image.color = new Color(1f, 1f, 1f, 1f);
+
+			Mask listMask = scrollSnapRoot.AddComponent<Mask>();
+			listMask.showMaskGraphic = false;
+
+			ScrollRect scrollRect = scrollSnapRoot.AddComponent<ScrollRect>();
+			scrollRect.vertical = direction == ScrollSnap.ScrollDirection.Vertical;
+			scrollRect.horizontal = direction == ScrollSnap.ScrollDirection.Horizontal;
+
+			ScrollSnap scrollSnap = scrollSnapRoot.AddComponent<ScrollSnap>();
+			scrollSnap.direction = direction;
+			scrollSnap.itemsVisibleAtOnce = itemVisible;
+
+			//Setup Content container
+			RectTransform rectTransformContent = itemList.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+			scrollRect.content = rectTransformContent;
+
+			//Setup Item list container
+			if (direction == ScrollSnap.ScrollDirection.Horizontal)
+			{
+				itemList.AddComponent<HorizontalLayoutGroup>();
+				ContentSizeFitter sizeFitter = itemList.AddComponent<ContentSizeFitter>();
+				sizeFitter.horizontalFit = ContentSizeFitter.FitMode.MinSize;
+			}
+			else
+			{
+				itemList.AddComponent<VerticalLayoutGroup>();
+				ContentSizeFitter sizeFitter = itemList.AddComponent<ContentSizeFitter>();
+				sizeFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
+			}
+
+			//Setup children
+			for (var i = 0; i < itemCount; i++)
+			{
+				GameObject item = CreateUIObject(string.Format("Item_{0:00}", i), itemList);
+				GameObject childText = CreateUIObject("Text", item);
+
+				Image pageImage = item.AddComponent<Image>();
+				pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+				pageImage.type = Image.Type.Sliced;
+				pageImage.color = s_DefaultSelectableColor;
+
+				LayoutElement elementLayout = item.AddComponent<LayoutElement>();
+				if (direction == ScrollSnap.ScrollDirection.Horizontal)
+				{
+					elementLayout.minWidth = itemSize.x;
+				}
+				else
+				{
+					elementLayout.minHeight = itemSize.y;
+				}
+
+				RectTransform rectTransformPage01 = item.GetComponent<RectTransform>();
+				rectTransformPage01.anchorMin = new Vector2(0f, 0.5f);
+				rectTransformPage01.anchorMax = new Vector2(0f, 0.5f);
+				rectTransformPage01.pivot = new Vector2(0f, 0.5f);
+
+				//Setup Text on Page01
+				Text text = childText.AddComponent<Text>();
+				text.text = item.name;
+				text.alignment = TextAnchor.MiddleCenter;
+				text.color = new Color(0.196f, 0.196f, 0.196f);
+
+				//Setup Text 1st Child
+				RectTransform rectTransformPage01Text = childText.GetComponent<RectTransform>();
+				rectTransformPage01Text.anchorMin = new Vector2(0.5f, 0.5f);
+				rectTransformPage01Text.anchorMax = new Vector2(0.5f, 0.5f);
+				rectTransformPage01Text.pivot = new Vector2(0.5f, 0.5f);
+			}
+			Selection.activeGameObject = scrollSnapRoot;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Horizontal Single Item", false)]
+		static public void AddFixedItemScrollSnapHorizontalSingle(MenuCommand menuCommand)
+		{
+			FixedScrollSnapBase(menuCommand, "Scroll Snap Horizontal Single", ScrollSnap.ScrollDirection.Horizontal, 1, 3, new Vector2(100, 100));
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Horizontal Multiple Items", false)]
+		static public void AddFixedItemScrollSnapHorizontalMultiple(MenuCommand menuCommand)
+		{
+			FixedScrollSnapBase(menuCommand, "Scroll Snap Horizontal Multiple", ScrollSnap.ScrollDirection.Horizontal, 3, 15, new Vector2(100, 100));
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Vertical Single Item", false)]
+		static public void AddFixedItemScrollSnapVerticalSingle(MenuCommand menuCommand)
+		{
+			FixedScrollSnapBase(menuCommand, "Scroll Snap Vertical Multiple", ScrollSnap.ScrollDirection.Vertical, 1, 3, new Vector2(100, 100));
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Fixed Item Scroll/Snap Vertical Multiple Items", false)]
+		static public void AddFixedItemScrollSnapVerticalMultiple(MenuCommand menuCommand)
+		{
+			FixedScrollSnapBase(menuCommand, "Scroll Snap Vertical Multiple", ScrollSnap.ScrollDirection.Vertical, 3, 15, new Vector2(100, 100));
+		}
+		#endregion
+
+		#endregion
+
+		#region UIVertical Scroller
+		[MenuItem("GameObject/UI/Extensions/UI Vertical Scroller", false)]
+		static public void AddUIVerticallScroller(MenuCommand menuCommand)
+		{
+			GameObject uiVerticalScrollerRoot = CreateUIElementRoot("UI Vertical Scroller", menuCommand, s_ThickGUIElementSize);
+
+			GameObject uiScrollerCenter = CreateUIObject("Center", uiVerticalScrollerRoot);
+
+			GameObject childContent = CreateUIObject("Content", uiVerticalScrollerRoot);
+
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = uiVerticalScrollerRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(500f, 150f);
+
+			// Add required ScrollRect
+			ScrollRect sr = uiVerticalScrollerRoot.AddComponent<ScrollRect>();
+			sr.vertical = true;
+			sr.horizontal = false;
+			sr.movementType = ScrollRect.MovementType.Unrestricted;
+			var uiscr = uiVerticalScrollerRoot.AddComponent<UIVerticalScroller>();
+
+			//Setup container center point
+			RectTransform rectTransformCenter = uiScrollerCenter.GetComponent<RectTransform>();
+			rectTransformCenter.anchorMin = new Vector2(0f, 0.3f);
+			rectTransformCenter.anchorMax = new Vector2(1f, 0.6f);
+			rectTransformCenter.sizeDelta = Vector2.zero;
+
+			uiscr._center = uiScrollerCenter.GetComponent<RectTransform>();
+
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+
+			sr.content = rectTransformContent;
+
+			// Add sample children
+			for (int i = 0; i < 10; i++)
+			{
+				GameObject childPage = CreateUIObject("Page_" + i, childContent);
+
+				GameObject childText = CreateUIObject("Text", childPage);
+
+				//Setup 1st Child
+				Image pageImage = childPage.AddComponent<Image>();
+				pageImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+				pageImage.type = Image.Type.Sliced;
+				pageImage.color = s_DefaultSelectableColor;
+
+				RectTransform rectTransformPage = childPage.GetComponent<RectTransform>();
+				rectTransformPage.anchorMin = new Vector2(0f, 0.5f);
+				rectTransformPage.anchorMax = new Vector2(1f, 0.5f);
+				rectTransformPage.sizeDelta = new Vector2(0f, 80f);
+				rectTransformPage.pivot = new Vector2(0.5f, 0.5f);
+				rectTransformPage.localPosition = new Vector3(0, 80 * i, 0);
+				childPage.AddComponent<Button>();
+
+				var childCG = childPage.AddComponent<CanvasGroup>();
+				childCG.interactable = false;
+
+				//Setup Text on Item
+				Text text = childText.AddComponent<Text>();
+				text.text = "Item_" + i;
+				text.alignment = TextAnchor.MiddleCenter;
+				text.color = new Color(0.196f, 0.196f, 0.196f);
+
+				//Setup Text on Item
+				RectTransform rectTransformPageText = childText.GetComponent<RectTransform>();
+				rectTransformPageText.anchorMin = new Vector2(0.5f, 0.5f);
+				rectTransformPageText.anchorMax = new Vector2(0.5f, 0.5f);
+				rectTransformPageText.pivot = new Vector2(0.5f, 0.5f);
+			}
+
+			Selection.activeGameObject = uiVerticalScrollerRoot;
+		}
+		#endregion
+
+		[MenuItem("GameObject/UI/Extensions/UI Button", false)]
+		static public void AddUIButton(MenuCommand menuCommand)
+		{
+			GameObject uiButtonRoot = CreateUIElementRoot("UI Button", menuCommand, s_ThickGUIElementSize);
+			GameObject childText = CreateUIObject("Text", uiButtonRoot);
+
+			Image image = uiButtonRoot.AddComponent<Image>();
+			image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+			image.type = Image.Type.Sliced;
+			image.color = s_DefaultSelectableColor;
+
+			Button bt = uiButtonRoot.AddComponent<Button>();
+			uiButtonRoot.AddComponent<UISelectableExtension>();
+			SetDefaultColorTransitionValues(bt);
+
+			Text text = childText.AddComponent<Text>();
+			text.text = "Button";
+			text.alignment = TextAnchor.MiddleCenter;
+			text.color = new Color(0.196f, 0.196f, 0.196f);
+
+			RectTransform textRectTransform = childText.GetComponent<RectTransform>();
+			textRectTransform.anchorMin = Vector2.zero;
+			textRectTransform.anchorMax = Vector2.one;
+			textRectTransform.sizeDelta = Vector2.zero;
+
+			Selection.activeGameObject = uiButtonRoot;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/UI Flippable", false)]
+		static public void AddUIFlippableImage(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI Flippable", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<Image>();
+			go.AddComponent<UIFlippable>();
+			Selection.activeGameObject = go;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/UI Window Base", false)]
+		static public void AddUIWindowBase(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI Window Base", menuCommand, s_ThickGUIElementSize);
+			go.AddComponent<UIWindowBase>();
+			go.AddComponent<Image>();
+			Selection.activeGameObject = go;
+		}
+
+		#region Accordian
+		[MenuItem("GameObject/UI/Extensions/Accordion/Accordion Group", false)]
+		static public void AddAccordionGroup(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("Accordion Group", menuCommand, s_ThickGUIElementSize);
+			go.AddComponent<VerticalLayoutGroup>();
+			go.AddComponent<ContentSizeFitter>();
+			go.AddComponent<ToggleGroup>();
+			go.AddComponent<Accordion>();
+			Selection.activeGameObject = go;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Accordion/Accordion Element", false)]
+		static public void AddAccordionElement(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("Accordion Element", menuCommand, s_ThickGUIElementSize);
+			go.AddComponent<LayoutElement>();
+			go.AddComponent<AccordionElement>();
+			Selection.activeGameObject = go;
+
+		}
+		#endregion
+
+		#region Drop Down controls
+		[MenuItem("GameObject/UI/Extensions/AutoComplete ComboBox", false)]
+		static public void AddAutoCompleteComboBox(MenuCommand menuCommand)
+		{
+			GameObject autoCompleteComboBoxRoot = CreateUIElementRoot("AutoCompleteComboBox", menuCommand, s_ThickGUIElementSize);
+
+			//Create Template
+			GameObject itemTemplate = AddButtonAsChild(autoCompleteComboBoxRoot);
+
+			//Create Inputfield
+			GameObject inputField = AddInputFieldAsChild(autoCompleteComboBoxRoot);
+
+			//Create Overlay
+			GameObject overlay = CreateUIObject("Overlay", autoCompleteComboBoxRoot);
+			GameObject overlayScrollPanel = CreateUIObject("ScrollPanel", overlay);
+			GameObject overlayScrollPanelItems = CreateUIObject("Items", overlayScrollPanel);
+			GameObject overlayScrollPanelScrollBar = AddScrollbarAsChild(overlayScrollPanel);
+
+			//Create Arrow Button
+			GameObject arrowButton = AddButtonAsChild(autoCompleteComboBoxRoot);
+
+			//Setup ComboBox
+			var autoCompleteComboBox = autoCompleteComboBoxRoot.AddComponent<AutoCompleteComboBox>();
+			var cbbRT = autoCompleteComboBoxRoot.GetComponent<RectTransform>();
+
+			//Setup Template
+			itemTemplate.name = "ItemTemplate";
+			var itemTemplateRT = itemTemplate.GetComponent<RectTransform>();
+			itemTemplateRT.sizeDelta = cbbRT.sizeDelta;
+			var itemTemplateButton = itemTemplate.GetComponent<Button>();
+			itemTemplateButton.transition = Selectable.Transition.None;
+			var itemTemplateLayoutElement = itemTemplate.AddComponent<LayoutElement>();
+			itemTemplateLayoutElement.minHeight = cbbRT.rect.height;
+			itemTemplate.SetActive(false);
+
+			//Setup InputField
+			var inputFieldRT = inputField.GetComponent<RectTransform>();
+			inputFieldRT.anchorMin = Vector2.zero;
+			inputFieldRT.anchorMax = Vector2.one;
+			inputFieldRT.sizeDelta = Vector2.zero;
+			Events.UnityEventTools.AddPersistentListener<string>(inputField.GetComponent<InputField>().onValueChanged, new UnityEngine.Events.UnityAction<string>(autoCompleteComboBox.OnValueChanged));
+
+			//Setup Overlay
+			var overlayRT = overlay.GetComponent<RectTransform>();
+			overlayRT.anchorMin = new Vector2(0f, 1f);
+			overlayRT.anchorMax = new Vector2(0f, 1f);
+			overlayRT.sizeDelta = new Vector2(0f, 1f);
+			overlayRT.pivot = new Vector2(0f, 1f);
+			overlay.AddComponent<Image>().color = new Color(0.243f, 0.871f, 0f, 0f);
+			Events.UnityEventTools.AddBoolPersistentListener(overlay.AddComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(autoCompleteComboBox.ToggleDropdownPanel), true);
+			//Overlay Scroll Panel
+			var overlayScrollPanelRT = overlayScrollPanel.GetComponent<RectTransform>();
+			overlayScrollPanelRT.position += new Vector3(0, -cbbRT.sizeDelta.y, 0);
+			overlayScrollPanelRT.anchorMin = new Vector2(0f, 1f);
+			overlayScrollPanelRT.anchorMax = new Vector2(0f, 1f);
+			overlayScrollPanelRT.sizeDelta = new Vector2(cbbRT.sizeDelta.x, cbbRT.sizeDelta.y * 3);
+			overlayScrollPanelRT.pivot = new Vector2(0f, 1f);
+			overlayScrollPanel.AddComponent<Image>();
+			overlayScrollPanel.AddComponent<Mask>();
+			var scrollRect = overlayScrollPanel.AddComponent<ScrollRect>();
+			scrollRect.horizontal = false;
+			scrollRect.movementType = ScrollRect.MovementType.Clamped;
+			scrollRect.verticalScrollbar = overlayScrollPanelScrollBar.GetComponent<Scrollbar>();
+			//Overlay Items list
+			var overlayScrollPanelItemsRT = overlayScrollPanelItems.GetComponent<RectTransform>();
+			overlayScrollPanelItemsRT.position += new Vector3(5, 0, 0);
+			overlayScrollPanelItemsRT.anchorMin = new Vector2(0f, 1f);
+			overlayScrollPanelItemsRT.anchorMax = new Vector2(0f, 1f);
+			overlayScrollPanelItemsRT.sizeDelta = new Vector2(120f, 5f);
+			overlayScrollPanelItemsRT.pivot = new Vector2(0f, 1f);
+			scrollRect.content = overlayScrollPanelItemsRT;
+			var overlayScrollPanelItemsVLG = overlayScrollPanelItems.AddComponent<VerticalLayoutGroup>();
+			overlayScrollPanelItemsVLG.padding = new RectOffset(0, 0, 5, 0);
+			var overlayScrollPanelItemsFitter = overlayScrollPanelItems.AddComponent<ContentSizeFitter>();
+			overlayScrollPanelItemsFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
+			//Overlay Scrollbar
+			var overlayScrollPanelScrollbarRT = overlayScrollPanelScrollBar.GetComponent<RectTransform>();
+			overlayScrollPanelScrollbarRT.anchorMin = new Vector2(1f, 0f);
+			overlayScrollPanelScrollbarRT.anchorMax = Vector2.one;
+			overlayScrollPanelScrollbarRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, 0f);
+			overlayScrollPanelScrollbarRT.pivot = Vector2.one;
+			overlayScrollPanelScrollbarRT.GetComponent<Scrollbar>().direction = Scrollbar.Direction.BottomToTop;
+			overlayScrollPanelScrollBar.transform.GetChild(0).name = "SlidingArea";
+
+			//Arrow Button
+			arrowButton.name = "ArrowBtn";
+			var arrowButtonRT = arrowButton.GetComponent<RectTransform>();
+			arrowButtonRT.anchorMin = Vector2.one;
+			arrowButtonRT.anchorMax = Vector2.one;
+			arrowButtonRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, cbbRT.sizeDelta.y);
+			arrowButtonRT.pivot = Vector2.one;
+			Events.UnityEventTools.AddBoolPersistentListener(arrowButton.GetComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(autoCompleteComboBox.ToggleDropdownPanel), true);
+			arrowButton.GetComponentInChildren<Text>().text = "▼";
+
+			Selection.activeGameObject = autoCompleteComboBoxRoot;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/ComboBox", false)]
+		static public void AddComboBox(MenuCommand menuCommand)
+		{
+			GameObject comboBoxRoot = CreateUIElementRoot("ComboBox", menuCommand, s_ThickGUIElementSize);
+
+			//Create Template
+			GameObject itemTemplate = AddButtonAsChild(comboBoxRoot);
+
+			//Create Inputfield
+			GameObject inputField = AddInputFieldAsChild(comboBoxRoot);
+
+			//Create Overlay
+			GameObject overlay = CreateUIObject("Overlay", comboBoxRoot);
+			GameObject overlayScrollPanel = CreateUIObject("ScrollPanel", overlay);
+			GameObject overlayScrollPanelItems = CreateUIObject("Items", overlayScrollPanel);
+			GameObject overlayScrollPanelScrollBar = AddScrollbarAsChild(overlayScrollPanel);
+
+			//Create Arrow Button
+			GameObject arrowButton = AddButtonAsChild(comboBoxRoot);
+
+			//Setup ComboBox
+			var comboBox = comboBoxRoot.AddComponent<ComboBox>();
+			var cbbRT = comboBoxRoot.GetComponent<RectTransform>();
+
+			//Setup Template
+			itemTemplate.name = "ItemTemplate";
+			var itemTemplateRT = itemTemplate.GetComponent<RectTransform>();
+			itemTemplateRT.sizeDelta = cbbRT.sizeDelta;
+			var itemTemplateButton = itemTemplate.GetComponent<Button>();
+			itemTemplateButton.transition = Selectable.Transition.None;
+			var itemTemplateLayoutElement = itemTemplate.AddComponent<LayoutElement>();
+			itemTemplateLayoutElement.minHeight = cbbRT.rect.height;
+			itemTemplate.SetActive(false);
+
+			//Setup InputField
+			var inputFieldRT = inputField.GetComponent<RectTransform>();
+			inputFieldRT.anchorMin = Vector2.zero;
+			inputFieldRT.anchorMax = Vector2.one;
+			inputFieldRT.sizeDelta = Vector2.zero;
+			Events.UnityEventTools.AddPersistentListener<string>(inputField.GetComponent<InputField>().onValueChanged, new UnityEngine.Events.UnityAction<string>(comboBox.OnValueChanged));
+
+			//Setup Overlay
+			var overlayRT = overlay.GetComponent<RectTransform>();
+			overlayRT.anchorMin = new Vector2(0f, 1f);
+			overlayRT.anchorMax = new Vector2(0f, 1f);
+			overlayRT.sizeDelta = new Vector2(0f, 1f);
+			overlayRT.pivot = new Vector2(0f, 1f);
+			overlay.AddComponent<Image>().color = new Color(0.243f, 0.871f, 0f, 0f);
+			Events.UnityEventTools.AddBoolPersistentListener(overlay.AddComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(comboBox.ToggleDropdownPanel), true);
+			//Overlay Scroll Panel
+			var overlayScrollPanelRT = overlayScrollPanel.GetComponent<RectTransform>();
+			overlayScrollPanelRT.position += new Vector3(0, -cbbRT.sizeDelta.y, 0);
+			overlayScrollPanelRT.anchorMin = new Vector2(0f, 1f);
+			overlayScrollPanelRT.anchorMax = new Vector2(0f, 1f);
+			overlayScrollPanelRT.sizeDelta = new Vector2(cbbRT.sizeDelta.x, cbbRT.sizeDelta.y * 3);
+			overlayScrollPanelRT.pivot = new Vector2(0f, 1f);
+			overlayScrollPanel.AddComponent<Image>();
+			overlayScrollPanel.AddComponent<Mask>();
+			var scrollRect = overlayScrollPanel.AddComponent<ScrollRect>();
+			scrollRect.horizontal = false;
+			scrollRect.movementType = ScrollRect.MovementType.Clamped;
+			scrollRect.verticalScrollbar = overlayScrollPanelScrollBar.GetComponent<Scrollbar>();
+			//Overlay Items list
+			var overlayScrollPanelItemsRT = overlayScrollPanelItems.GetComponent<RectTransform>();
+			overlayScrollPanelItemsRT.position += new Vector3(5, 0, 0);
+			overlayScrollPanelItemsRT.anchorMin = new Vector2(0f, 1f);
+			overlayScrollPanelItemsRT.anchorMax = new Vector2(0f, 1f);
+			overlayScrollPanelItemsRT.sizeDelta = new Vector2(120f, 5f);
+			overlayScrollPanelItemsRT.pivot = new Vector2(0f, 1f);
+			scrollRect.content = overlayScrollPanelItemsRT;
+			var overlayScrollPanelItemsVLG = overlayScrollPanelItems.AddComponent<VerticalLayoutGroup>();
+			overlayScrollPanelItemsVLG.padding = new RectOffset(0, 0, 5, 0);
+			var overlayScrollPanelItemsFitter = overlayScrollPanelItems.AddComponent<ContentSizeFitter>();
+			overlayScrollPanelItemsFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
+			//Overlay Scrollbar
+			var overlayScrollPanelScrollbarRT = overlayScrollPanelScrollBar.GetComponent<RectTransform>();
+			overlayScrollPanelScrollbarRT.anchorMin = new Vector2(1f, 0f);
+			overlayScrollPanelScrollbarRT.anchorMax = Vector2.one;
+			overlayScrollPanelScrollbarRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, 0f);
+			overlayScrollPanelScrollbarRT.pivot = Vector2.one;
+			overlayScrollPanelScrollbarRT.GetComponent<Scrollbar>().direction = Scrollbar.Direction.BottomToTop;
+			overlayScrollPanelScrollBar.transform.GetChild(0).name = "SlidingArea";
+
+			//Arrow Button
+			arrowButton.name = "ArrowBtn";
+			var arrowButtonRT = arrowButton.GetComponent<RectTransform>();
+			arrowButtonRT.anchorMin = Vector2.one;
+			arrowButtonRT.anchorMax = Vector2.one;
+			arrowButtonRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, cbbRT.sizeDelta.y);
+			arrowButtonRT.pivot = Vector2.one;
+			Events.UnityEventTools.AddBoolPersistentListener(arrowButton.GetComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(comboBox.ToggleDropdownPanel), true);
+			arrowButton.GetComponentInChildren<Text>().text = "▼";
+
+			Selection.activeGameObject = comboBoxRoot;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/DropDownList", false)]
+		static public void AddDropDownList(MenuCommand menuCommand)
+		{
+			GameObject dropDownListRoot = CreateUIElementRoot("DropDownList", menuCommand, s_ThickGUIElementSize);
+
+			//Create Template
+			GameObject itemTemplate = AddButtonAsChild(dropDownListRoot);
+			GameObject itemTemplateImage = AddImageAsChild(itemTemplate);
+			itemTemplateImage.GetComponent<Transform>().SetSiblingIndex(0);
+
+			//Create Main Button
+			GameObject mainButton = AddButtonAsChild(dropDownListRoot);
+			GameObject mainButtonImage = AddImageAsChild(mainButton);
+			mainButtonImage.GetComponent<Transform>().SetSiblingIndex(0);
+
+			//Create Overlay
+			GameObject overlay = CreateUIObject("Overlay", dropDownListRoot);
+			GameObject overlayScrollPanel = CreateUIObject("ScrollPanel", overlay);
+			GameObject overlayScrollPanelItems = CreateUIObject("Items", overlayScrollPanel);
+			GameObject overlayScrollPanelScrollBar = AddScrollbarAsChild(overlayScrollPanel);
+
+			//Create Arrow Button
+			GameObject arrowText = AddTextAsChild(dropDownListRoot);
+
+			//Setup DropDownList
+			var dropDownList = dropDownListRoot.AddComponent<DropDownList>();
+			var cbbRT = dropDownListRoot.GetComponent<RectTransform>();
+
+			//Setup Template
+			itemTemplate.name = "ItemTemplate";
+			var itemTemplateRT = itemTemplate.GetComponent<RectTransform>();
+			itemTemplateRT.sizeDelta = cbbRT.sizeDelta;
+			var itemTemplateButton = itemTemplate.GetComponent<Button>();
+			itemTemplateButton.transition = Selectable.Transition.None;
+			var itemTemplateLayoutElement = itemTemplate.AddComponent<LayoutElement>();
+			itemTemplateLayoutElement.minHeight = cbbRT.rect.height;
+			itemTemplate.SetActive(false);
+			//Item Template Image
+			var itemTemplateImageRT = itemTemplateImage.GetComponent<RectTransform>();
+			itemTemplateImageRT.anchorMin = Vector2.zero;
+			itemTemplateImageRT.anchorMax = new Vector2(0f, 1f);
+			itemTemplateImageRT.pivot = new Vector2(0f, 1f);
+			itemTemplateImageRT.sizeDelta = Vector2.one;
+			itemTemplateImageRT.offsetMin = new Vector2(4f, 4f);
+			itemTemplateImageRT.offsetMax = new Vector2(22f, -4f);
+			itemTemplateImage.GetComponent<Image>().color = new Color(0, 0, 0, 0);
+
+			//Setup Main Button
+			mainButton.name = "MainButton";
+			var mainButtonRT = mainButton.GetComponent<RectTransform>();
+			mainButtonRT.anchorMin = Vector2.zero;
+			mainButtonRT.anchorMax = Vector2.one;
+			mainButtonRT.sizeDelta = Vector2.zero;
+			Events.UnityEventTools.AddBoolPersistentListener(mainButton.GetComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(dropDownList.ToggleDropdownPanel), true);
+			var mainButtonText = mainButton.GetComponentInChildren<Text>();
+			mainButtonText.alignment = TextAnchor.MiddleLeft;
+			mainButtonText.text = "Select Item...";
+			var mainButtonTextRT = mainButtonText.GetComponent<RectTransform>();
+			mainButtonTextRT.anchorMin = Vector2.zero;
+			mainButtonTextRT.anchorMin = Vector2.zero;
+			mainButtonTextRT.pivot = new Vector2(0f, 1f);
+			mainButtonTextRT.offsetMin = new Vector2(10f, 0f);
+			mainButtonTextRT.offsetMax = new Vector2(-4f, 0f);
+			//Main Button Image
+			var mainButtonImageRT = mainButtonImage.GetComponent<RectTransform>();
+			mainButtonImageRT.anchorMin = Vector2.zero;
+			mainButtonImageRT.anchorMax = new Vector2(0f, 1f);
+			mainButtonImageRT.pivot = new Vector2(0f, 1f);
+			mainButtonImageRT.sizeDelta = Vector2.one;
+			mainButtonImageRT.offsetMin = new Vector2(4f, 4f);
+			mainButtonImageRT.offsetMax = new Vector2(22f, -4f);
+			mainButtonImageRT.GetComponent<Image>().color = new Color(1, 1, 1, 0);
+
+
+			//Setup Overlay
+			var overlayRT = overlay.GetComponent<RectTransform>();
+			overlayRT.anchorMin = new Vector2(0f, 1f);
+			overlayRT.anchorMax = new Vector2(0f, 1f);
+			overlayRT.sizeDelta = new Vector2(0f, 1f);
+			overlayRT.pivot = new Vector2(0f, 1f);
+			overlay.AddComponent<Image>().color = new Color(0.243f, 0.871f, 0f, 0f);
+			Events.UnityEventTools.AddBoolPersistentListener(overlay.AddComponent<Button>().onClick, new UnityEngine.Events.UnityAction<bool>(dropDownList.ToggleDropdownPanel), true);
+			//Overlay Scroll Panel
+			var overlayScrollPanelRT = overlayScrollPanel.GetComponent<RectTransform>();
+			overlayScrollPanelRT.position += new Vector3(0, -cbbRT.sizeDelta.y, 0);
+			overlayScrollPanelRT.anchorMin = new Vector2(0f, 1f);
+			overlayScrollPanelRT.anchorMax = new Vector2(0f, 1f);
+			overlayScrollPanelRT.sizeDelta = new Vector2(cbbRT.sizeDelta.x, cbbRT.sizeDelta.y * 3);
+			overlayScrollPanelRT.pivot = new Vector2(0f, 1f);
+			overlayScrollPanel.AddComponent<Image>();
+			overlayScrollPanel.AddComponent<Mask>();
+			var scrollRect = overlayScrollPanel.AddComponent<ScrollRect>();
+			scrollRect.horizontal = false;
+			scrollRect.movementType = ScrollRect.MovementType.Clamped;
+			scrollRect.verticalScrollbar = overlayScrollPanelScrollBar.GetComponent<Scrollbar>();
+			//Overlay Items list
+			var overlayScrollPanelItemsRT = overlayScrollPanelItems.GetComponent<RectTransform>();
+			overlayScrollPanelItemsRT.position += new Vector3(5, 0, 0);
+			overlayScrollPanelItemsRT.anchorMin = new Vector2(0f, 1f);
+			overlayScrollPanelItemsRT.anchorMax = new Vector2(0f, 1f);
+			overlayScrollPanelItemsRT.sizeDelta = new Vector2(120f, 5f);
+			overlayScrollPanelItemsRT.pivot = new Vector2(0f, 1f);
+			scrollRect.content = overlayScrollPanelItemsRT;
+			var overlayScrollPanelItemsVLG = overlayScrollPanelItems.AddComponent<VerticalLayoutGroup>();
+			overlayScrollPanelItemsVLG.padding = new RectOffset(0, 0, 5, 0);
+			var overlayScrollPanelItemsFitter = overlayScrollPanelItems.AddComponent<ContentSizeFitter>();
+			overlayScrollPanelItemsFitter.verticalFit = ContentSizeFitter.FitMode.MinSize;
+			//Overlay Scrollbar
+			var overlayScrollPanelScrollbarRT = overlayScrollPanelScrollBar.GetComponent<RectTransform>();
+			overlayScrollPanelScrollbarRT.anchorMin = new Vector2(1f, 0f);
+			overlayScrollPanelScrollbarRT.anchorMax = Vector2.one;
+			overlayScrollPanelScrollbarRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, 0f);
+			overlayScrollPanelScrollbarRT.pivot = Vector2.one;
+			overlayScrollPanelScrollbarRT.GetComponent<Scrollbar>().direction = Scrollbar.Direction.BottomToTop;
+			overlayScrollPanelScrollBar.transform.GetChild(0).name = "SlidingArea";
+
+			//Arrow Button
+			arrowText.name = "Arrow";
+			var arrowTextRT = arrowText.GetComponent<RectTransform>();
+			arrowTextRT.anchorMin = new Vector2(1f, 0f);
+			arrowTextRT.anchorMax = Vector2.one;
+			arrowTextRT.sizeDelta = new Vector2(cbbRT.sizeDelta.y, cbbRT.sizeDelta.y);
+			arrowTextRT.pivot = new Vector2(1f, 0.5f);
+			var arrowTextComponent = arrowText.GetComponent<Text>();
+			arrowTextComponent.text = "▼";
+			arrowTextComponent.alignment = TextAnchor.MiddleCenter;
+			var arrowTextCanvasGroup = arrowText.AddComponent<CanvasGroup>();
+			arrowTextCanvasGroup.interactable = false;
+			arrowTextCanvasGroup.blocksRaycasts = false;
+			Selection.activeGameObject = dropDownListRoot;
+		}
+		#endregion
+
+		#region RTS Selection box
+		[MenuItem("GameObject/UI/Extensions/Selection Box", false)]
+		static public void AddSelectionBox(MenuCommand menuCommand)
+		{
+			var go = CreateNewUI();
+			go.name = "Selection Box";
+			GameObjectUtility.SetParentAndAlign(go, menuCommand.context as GameObject);
+			RectTransform rect = go.transform as RectTransform;
+			rect.anchorMin = Vector2.zero;
+			rect.anchorMax = Vector2.one;
+			rect.anchoredPosition = Vector2.zero;
+			rect.sizeDelta = Vector2.zero;
+
+			Image image = go.AddComponent<Image>();
+			image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+			image.type = Image.Type.Sliced;
+			image.fillCenter = false;
+			image.color = new Color(1f, 1f, 1f, 0.392f);
+
+
+			SelectionBox selectableArea = go.AddComponent<SelectionBox>();
+			selectableArea.selectionMask = rect;
+			selectableArea.color = new Color(0.816f, 0.816f, 0.816f, 0.353f);
+
+
+			GameObject childSelectableItem = CreateUIObject("Selectable", go);
+			childSelectableItem.AddComponent<Image>();
+			childSelectableItem.AddComponent<ExampleSelectable>();
+
+
+			Selection.activeGameObject = go;
+		}
+		#endregion
+
+		#region Bound Tooltip
+		[MenuItem("GameObject/UI/Extensions/Bound Tooltip/Tooltip", false)]
+		static public void AddBoundTooltip(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("Tooltip", menuCommand, s_ImageGUIElementSize);
+			var tooltip = go.AddComponent<BoundTooltipTrigger>();
+			tooltip.text = "This is my Tooltip Text";
+			var boundTooltip = go.AddComponent<Image>();
+			boundTooltip.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+
+			// if there is no ToolTipItem add one...
+			CreateToolTipItem(false, go);
+			Selection.activeGameObject = go;
+		}
+
+		private static void CreateToolTipItem(bool select)
+		{
+			CreateToolTipItem(select, null);
+		}
+
+		private static void CreateToolTipItem(bool select, GameObject parent)
+		{
+			var btti = Object.FindObjectOfType<BoundTooltipItem>();
+			if (btti == null)
+			{
+				var boundTooltipItem = CreateUIObject("ToolTipItem", parent.GetComponentInParent<Canvas>().gameObject);
+				btti = boundTooltipItem.AddComponent<BoundTooltipItem>();
+				var boundTooltipItemCanvasGroup = boundTooltipItem.AddComponent<CanvasGroup>();
+				boundTooltipItemCanvasGroup.interactable = false;
+				boundTooltipItemCanvasGroup.blocksRaycasts = false;
+				var boundTooltipItemImage = boundTooltipItem.AddComponent<Image>();
+				boundTooltipItemImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+				var boundTooltipItemText = CreateUIObject("Text", boundTooltipItem);
+				var boundTooltipItemTextRT = boundTooltipItemText.GetComponent<RectTransform>();
+				boundTooltipItemTextRT.anchorMin = Vector2.zero;
+				boundTooltipItemTextRT.anchorMax = Vector2.one;
+				boundTooltipItemTextRT.sizeDelta = Vector2.one;
+				var boundTooltipItemTextcomponent = boundTooltipItemText.AddComponent<Text>();
+				boundTooltipItemTextcomponent.alignment = TextAnchor.MiddleCenter;
+				Undo.RegisterCreatedObjectUndo(boundTooltipItem, "Create " + boundTooltipItem.name);
+			}
+
+			if (select && btti != null)
+			{
+				Selection.activeGameObject = btti.gameObject;
+			}
+		}
+
+		#endregion
+
+		#region Progress bar
+		[MenuItem("GameObject/UI/Extensions/Progress Bar", false)]
+		static public void AddSlider(MenuCommand menuCommand)
+		{
+			// Create GOs Hierarchy
+			GameObject root = CreateUIElementRoot("Progress Bar", menuCommand, s_ThinGUIElementSize);
+
+			GameObject background = CreateUIObject("Background", root);
+			GameObject fillArea = CreateUIObject("Fill Area", root);
+			GameObject fill = CreateUIObject("Fill", fillArea);
+
+			// Background
+			Image backgroundImage = background.AddComponent<Image>();
+			backgroundImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+			backgroundImage.type = Image.Type.Sliced;
+			backgroundImage.color = s_DefaultSelectableColor;
+			RectTransform backgroundRect = background.GetComponent<RectTransform>();
+			backgroundRect.anchorMin = new Vector2(0, 0.25f);
+			backgroundRect.anchorMax = new Vector2(1, 0.75f);
+			backgroundRect.sizeDelta = new Vector2(0, 0);
+
+			// Fill Area
+			RectTransform fillAreaRect = fillArea.GetComponent<RectTransform>();
+			fillAreaRect.anchorMin = new Vector2(0, 0.25f);
+			fillAreaRect.anchorMax = new Vector2(1, 0.75f);
+			fillAreaRect.anchoredPosition = Vector2.zero;
+			fillAreaRect.sizeDelta = Vector2.zero;
+
+			// Fill
+			Image fillImage = fill.AddComponent<Image>();
+			fillImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+			fillImage.type = Image.Type.Sliced;
+			fillImage.color = s_DefaultSelectableColor;
+
+			RectTransform fillRect = fill.GetComponent<RectTransform>();
+			fillRect.sizeDelta = Vector2.zero;
+
+			// Setup slider component
+			Slider slider = root.AddComponent<Slider>();
+			slider.value = 0;
+			slider.fillRect = fill.GetComponent<RectTransform>();
+			slider.targetGraphic = fillImage;
+			slider.direction = Slider.Direction.LeftToRight;
+			SetDefaultColorTransitionValues(slider);
+		}
+		#endregion
+
+		#region Primitives
+
+		[MenuItem("GameObject/UI/Extensions/Primitives/UI Line Renderer", false)]
+		static public void AddUILineRenderer(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI LineRenderer", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<UILineRenderer>();
+			Selection.activeGameObject = go;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Primitives/UI Line Texture Renderer", false)]
+		static public void AddUILineTextureRenderer(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI LineTextureRenderer", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<UILineTextureRenderer>();
+			Selection.activeGameObject = go;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Primitives/UI Circle", false)]
+		static public void AddUICircle(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI Circle", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<UICircle>();
+			Selection.activeGameObject = go;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Primitives/UI Diamond Graph", false)]
+		static public void AddDiamondGraph(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI Diamond Graph", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<DiamondGraph>();
+			Selection.activeGameObject = go;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Primitives/UI Cut Corners", false)]
+		static public void AddCutCorners(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI Cut Corners", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<UICornerCut>();
+			Selection.activeGameObject = go;
+		}
+
+		[MenuItem("GameObject/UI/Extensions/Primitives/UI Polygon", false)]
+		static public void AddPolygon(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI Polygon", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<UIPolygon>();
+			Selection.activeGameObject = go;
+		}
+		#endregion
+
+		#region Re-Orderable Lists
+
+		[MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Vertical Scroll Rect", false)]
+		static public void AddReorderableScrollRectVertical(MenuCommand menuCommand)
+		{
+			GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Vertical ScrollRect", menuCommand, s_ThickGUIElementSize);
+
+			GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
+
+			GameObject Element01 = CreateUIObject("Element_01", childContent);
+			GameObject Element02 = CreateUIObject("Element_02", childContent);
+			GameObject Element03 = CreateUIObject("Element_03", childContent);
+
+
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
+
+
+			Image image = reorderableScrollRoot.AddComponent<Image>();
+			image.color = new Color(1f, 1f, 1f, 0.392f);
+
+			ScrollRect sr = reorderableScrollRoot.AddComponent<ScrollRect>();
+			sr.vertical = true;
+			sr.horizontal = false;
+
+			LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
+			reorderableScrollRootLE.preferredHeight = 300;
+
+			reorderableScrollRoot.AddComponent<Mask>();
+			ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
+
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+			VerticalLayoutGroup childContentVLG = childContent.AddComponent<VerticalLayoutGroup>();
+			ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
+			childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
+
+			sr.content = rectTransformContent;
+			reorderableScrollRootRL.ContentLayout = childContentVLG;
+
+			//Setup 1st Child
+			Image Element01Image = Element01.AddComponent<Image>();
+			Element01Image.color = Color.green;
+
+			RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
+			rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
+
+			LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
+			LEElement01.minHeight = 50;
+
+			//Setup 2nd Child
+			Image Element02Image = Element02.AddComponent<Image>();
+			Element02Image.color = Color.red;
+
+			RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
+			rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
+
+			LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
+			LEElement02.minHeight = 50;
 
-            //Setup 2nd Child
-            Image Element03Image = Element03.AddComponent<Image>();
-            Element03Image.color = Color.blue;
+			//Setup 2nd Child
+			Image Element03Image = Element03.AddComponent<Image>();
+			Element03Image.color = Color.blue;
 
-            RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
-            rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
+			rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
-            LEElement03.minHeight = 50;
+			LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
+			LEElement03.minHeight = 50;
 
 
-            //Need to add example child components like in the Asset (SJ)
-            Selection.activeGameObject = reorderableScrollRoot;
-        }
+			//Need to add example child components like in the Asset (SJ)
+			Selection.activeGameObject = reorderableScrollRoot;
+		}
 
-        [MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Horizontal Scroll Rect", false)]
-        static public void AddReorderableScrollRectHorizontal(MenuCommand menuCommand)
-        {
-            GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Horizontal ScrollRect", menuCommand, s_ThickGUIElementSize);
+		[MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Horizontal Scroll Rect", false)]
+		static public void AddReorderableScrollRectHorizontal(MenuCommand menuCommand)
+		{
+			GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Horizontal ScrollRect", menuCommand, s_ThickGUIElementSize);
 
-            GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
+			GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
 
-            GameObject Element01 = CreateUIObject("Element_01", childContent);
-            GameObject Element02 = CreateUIObject("Element_02", childContent);
-            GameObject Element03 = CreateUIObject("Element_03", childContent);
+			GameObject Element01 = CreateUIObject("Element_01", childContent);
+			GameObject Element02 = CreateUIObject("Element_02", childContent);
+			GameObject Element03 = CreateUIObject("Element_03", childContent);
 
 
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
 
 
-            Image image = reorderableScrollRoot.AddComponent<Image>();
-            image.color = new Color(1f, 1f, 1f, 0.392f);
+			Image image = reorderableScrollRoot.AddComponent<Image>();
+			image.color = new Color(1f, 1f, 1f, 0.392f);
 
-            ScrollRect sr = reorderableScrollRoot.AddComponent<ScrollRect>();
-            sr.vertical = false;
-            sr.horizontal = true;
+			ScrollRect sr = reorderableScrollRoot.AddComponent<ScrollRect>();
+			sr.vertical = false;
+			sr.horizontal = true;
 
-            LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
-            reorderableScrollRootLE.preferredHeight = 300;
+			LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
+			reorderableScrollRootLE.preferredHeight = 300;
 
-            reorderableScrollRoot.AddComponent<Mask>();
-            ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
+			reorderableScrollRoot.AddComponent<Mask>();
+			ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
 
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-            HorizontalLayoutGroup childContentHLG = childContent.AddComponent<HorizontalLayoutGroup>();
-            ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
-            childContentCSF.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+			HorizontalLayoutGroup childContentHLG = childContent.AddComponent<HorizontalLayoutGroup>();
+			ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
+			childContentCSF.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
 
-            sr.content = rectTransformContent;
-            reorderableScrollRootRL.ContentLayout = childContentHLG;
+			sr.content = rectTransformContent;
+			reorderableScrollRootRL.ContentLayout = childContentHLG;
 
-            //Setup 1st Child
-            Image Element01Image = Element01.AddComponent<Image>();
-            Element01Image.color = Color.green;
+			//Setup 1st Child
+			Image Element01Image = Element01.AddComponent<Image>();
+			Element01Image.color = Color.green;
 
-            RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
-            rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
+			rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
-            LEElement01.minWidth = 50;
+			LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
+			LEElement01.minWidth = 50;
 
-            //Setup 2nd Child
-            Image Element02Image = Element02.AddComponent<Image>();
-            Element02Image.color = Color.red;
+			//Setup 2nd Child
+			Image Element02Image = Element02.AddComponent<Image>();
+			Element02Image.color = Color.red;
 
-            RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
-            rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
+			rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
-            LEElement02.minWidth = 50;
+			LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
+			LEElement02.minWidth = 50;
 
-            //Setup 2nd Child
-            Image Element03Image = Element03.AddComponent<Image>();
-            Element03Image.color = Color.blue;
+			//Setup 2nd Child
+			Image Element03Image = Element03.AddComponent<Image>();
+			Element03Image.color = Color.blue;
 
-            RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
-            rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
+			rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
-            LEElement03.minWidth = 50;
+			LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
+			LEElement03.minWidth = 50;
 
 
-            //Need to add example child components like in the Asset (SJ)
-            Selection.activeGameObject = reorderableScrollRoot;
-        }
+			//Need to add example child components like in the Asset (SJ)
+			Selection.activeGameObject = reorderableScrollRoot;
+		}
 
-        [MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Grid Scroll Rect", false)]
-        static public void AddReorderableScrollRectGrid(MenuCommand menuCommand)
-        {
-            GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Grid ScrollRect", menuCommand, s_ThickGUIElementSize);
+		[MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Grid Scroll Rect", false)]
+		static public void AddReorderableScrollRectGrid(MenuCommand menuCommand)
+		{
+			GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Grid ScrollRect", menuCommand, s_ThickGUIElementSize);
 
-            GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
+			GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
 
-            GameObject Element01 = CreateUIObject("Element_01", childContent);
-            GameObject Element02 = CreateUIObject("Element_02", childContent);
-            GameObject Element03 = CreateUIObject("Element_03", childContent);
+			GameObject Element01 = CreateUIObject("Element_01", childContent);
+			GameObject Element02 = CreateUIObject("Element_02", childContent);
+			GameObject Element03 = CreateUIObject("Element_03", childContent);
 
 
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
 
 
-            Image image = reorderableScrollRoot.AddComponent<Image>();
-            image.color = new Color(1f, 1f, 1f, 0.392f);
+			Image image = reorderableScrollRoot.AddComponent<Image>();
+			image.color = new Color(1f, 1f, 1f, 0.392f);
 
-            ScrollRect sr = reorderableScrollRoot.AddComponent<ScrollRect>();
-            sr.vertical = true;
-            sr.horizontal = false;
+			ScrollRect sr = reorderableScrollRoot.AddComponent<ScrollRect>();
+			sr.vertical = true;
+			sr.horizontal = false;
 
-            LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
-            reorderableScrollRootLE.preferredHeight = 300;
+			LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
+			reorderableScrollRootLE.preferredHeight = 300;
 
-            reorderableScrollRoot.AddComponent<Mask>();
-            ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
+			reorderableScrollRoot.AddComponent<Mask>();
+			ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
 
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-            GridLayoutGroup childContentGLG = childContent.AddComponent<GridLayoutGroup>();
-            childContentGLG.cellSize = new Vector2(30, 30);
-            childContentGLG.spacing = new Vector2(10, 10);
-            ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
-            childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+			GridLayoutGroup childContentGLG = childContent.AddComponent<GridLayoutGroup>();
+			childContentGLG.cellSize = new Vector2(30, 30);
+			childContentGLG.spacing = new Vector2(10, 10);
+			ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
+			childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
 
-            sr.content = rectTransformContent;
-            reorderableScrollRootRL.ContentLayout = childContentGLG;
+			sr.content = rectTransformContent;
+			reorderableScrollRootRL.ContentLayout = childContentGLG;
 
-            //Setup 1st Child
-            Image Element01Image = Element01.AddComponent<Image>();
-            Element01Image.color = Color.green;
+			//Setup 1st Child
+			Image Element01Image = Element01.AddComponent<Image>();
+			Element01Image.color = Color.green;
 
-            RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
-            rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
+			rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
-            LEElement01.minHeight = 50;
+			LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
+			LEElement01.minHeight = 50;
 
-            //Setup 2nd Child
-            Image Element02Image = Element02.AddComponent<Image>();
-            Element02Image.color = Color.red;
+			//Setup 2nd Child
+			Image Element02Image = Element02.AddComponent<Image>();
+			Element02Image.color = Color.red;
 
-            RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
-            rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
+			rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
-            LEElement02.minHeight = 50;
+			LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
+			LEElement02.minHeight = 50;
 
-            //Setup 2nd Child
-            Image Element03Image = Element03.AddComponent<Image>();
-            Element03Image.color = Color.blue;
+			//Setup 2nd Child
+			Image Element03Image = Element03.AddComponent<Image>();
+			Element03Image.color = Color.blue;
 
-            RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
-            rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
+			rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
-            LEElement03.minHeight = 50;
+			LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
+			LEElement03.minHeight = 50;
 
 
-            //Need to add example child components like in the Asset (SJ)
-            Selection.activeGameObject = reorderableScrollRoot;
-        }
+			//Need to add example child components like in the Asset (SJ)
+			Selection.activeGameObject = reorderableScrollRoot;
+		}
 
-        [MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Vertical List", false)]
-        static public void AddReorderableVerticalList(MenuCommand menuCommand)
-        {
-            GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Vertial List", menuCommand, s_ThickGUIElementSize);
+		[MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Vertical List", false)]
+		static public void AddReorderableVerticalList(MenuCommand menuCommand)
+		{
+			GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Vertial List", menuCommand, s_ThickGUIElementSize);
 
-            GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
+			GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
 
-            GameObject Element01 = CreateUIObject("Element_01", childContent);
-            GameObject Element02 = CreateUIObject("Element_02", childContent);
-            GameObject Element03 = CreateUIObject("Element_03", childContent);
+			GameObject Element01 = CreateUIObject("Element_01", childContent);
+			GameObject Element02 = CreateUIObject("Element_02", childContent);
+			GameObject Element03 = CreateUIObject("Element_03", childContent);
 
 
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
 
-            Image image = reorderableScrollRoot.AddComponent<Image>();
-            image.color = new Color(1f, 1f, 1f, 0.392f);
+			Image image = reorderableScrollRoot.AddComponent<Image>();
+			image.color = new Color(1f, 1f, 1f, 0.392f);
 
-            LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
-            reorderableScrollRootLE.preferredHeight = 300;
+			LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
+			reorderableScrollRootLE.preferredHeight = 300;
 
-            reorderableScrollRoot.AddComponent<Mask>();
-            ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
+			reorderableScrollRoot.AddComponent<Mask>();
+			ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
 
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-            VerticalLayoutGroup childContentVLG = childContent.AddComponent<VerticalLayoutGroup>();
-            ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
-            childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+			VerticalLayoutGroup childContentVLG = childContent.AddComponent<VerticalLayoutGroup>();
+			ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
+			childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
 
-            reorderableScrollRootRL.ContentLayout = childContentVLG;
+			reorderableScrollRootRL.ContentLayout = childContentVLG;
 
-            //Setup 1st Child
-            Image Element01Image = Element01.AddComponent<Image>();
-            Element01Image.color = Color.green;
+			//Setup 1st Child
+			Image Element01Image = Element01.AddComponent<Image>();
+			Element01Image.color = Color.green;
 
-            RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
-            rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
+			rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
-            LEElement01.minHeight = 50;
+			LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
+			LEElement01.minHeight = 50;
 
-            //Setup 2nd Child
-            Image Element02Image = Element02.AddComponent<Image>();
-            Element02Image.color = Color.red;
+			//Setup 2nd Child
+			Image Element02Image = Element02.AddComponent<Image>();
+			Element02Image.color = Color.red;
 
-            RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
-            rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
+			rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
-            LEElement02.minHeight = 50;
+			LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
+			LEElement02.minHeight = 50;
 
-            //Setup 2nd Child
-            Image Element03Image = Element03.AddComponent<Image>();
-            Element03Image.color = Color.blue;
+			//Setup 2nd Child
+			Image Element03Image = Element03.AddComponent<Image>();
+			Element03Image.color = Color.blue;
 
-            RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
-            rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
+			rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
-            LEElement03.minHeight = 50;
+			LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
+			LEElement03.minHeight = 50;
 
 
-            //Need to add example child components like in the Asset (SJ)
-            Selection.activeGameObject = reorderableScrollRoot;
-        }
+			//Need to add example child components like in the Asset (SJ)
+			Selection.activeGameObject = reorderableScrollRoot;
+		}
 
-        [MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Horizontal List", false)]
-        static public void AddReorderableHorizontalList(MenuCommand menuCommand)
-        {
-            GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Horizontal List", menuCommand, s_ThickGUIElementSize);
+		[MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Horizontal List", false)]
+		static public void AddReorderableHorizontalList(MenuCommand menuCommand)
+		{
+			GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Horizontal List", menuCommand, s_ThickGUIElementSize);
 
-            GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
+			GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
 
-            GameObject Element01 = CreateUIObject("Element_01", childContent);
-            GameObject Element02 = CreateUIObject("Element_02", childContent);
-            GameObject Element03 = CreateUIObject("Element_03", childContent);
+			GameObject Element01 = CreateUIObject("Element_01", childContent);
+			GameObject Element02 = CreateUIObject("Element_02", childContent);
+			GameObject Element03 = CreateUIObject("Element_03", childContent);
 
 
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
 
 
-            Image image = reorderableScrollRoot.AddComponent<Image>();
-            image.color = new Color(1f, 1f, 1f, 0.392f);
+			Image image = reorderableScrollRoot.AddComponent<Image>();
+			image.color = new Color(1f, 1f, 1f, 0.392f);
 
-            LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
-            reorderableScrollRootLE.preferredHeight = 300;
+			LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
+			reorderableScrollRootLE.preferredHeight = 300;
 
-            reorderableScrollRoot.AddComponent<Mask>();
-            ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
+			reorderableScrollRoot.AddComponent<Mask>();
+			ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
 
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-            HorizontalLayoutGroup childContentHLG = childContent.AddComponent<HorizontalLayoutGroup>();
-            ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
-            childContentCSF.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+			HorizontalLayoutGroup childContentHLG = childContent.AddComponent<HorizontalLayoutGroup>();
+			ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
+			childContentCSF.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
 
-            reorderableScrollRootRL.ContentLayout = childContentHLG;
+			reorderableScrollRootRL.ContentLayout = childContentHLG;
 
-            //Setup 1st Child
-            Image Element01Image = Element01.AddComponent<Image>();
-            Element01Image.color = Color.green;
+			//Setup 1st Child
+			Image Element01Image = Element01.AddComponent<Image>();
+			Element01Image.color = Color.green;
 
-            RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
-            rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
+			rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
-            LEElement01.minWidth = 50;
+			LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
+			LEElement01.minWidth = 50;
 
-            //Setup 2nd Child
-            Image Element02Image = Element02.AddComponent<Image>();
-            Element02Image.color = Color.red;
+			//Setup 2nd Child
+			Image Element02Image = Element02.AddComponent<Image>();
+			Element02Image.color = Color.red;
 
-            RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
-            rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
+			rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
-            LEElement02.minWidth = 50;
+			LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
+			LEElement02.minWidth = 50;
 
-            //Setup 2nd Child
-            Image Element03Image = Element03.AddComponent<Image>();
-            Element03Image.color = Color.blue;
+			//Setup 2nd Child
+			Image Element03Image = Element03.AddComponent<Image>();
+			Element03Image.color = Color.blue;
 
-            RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
-            rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
+			rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
-            LEElement03.minWidth = 50;
+			LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
+			LEElement03.minWidth = 50;
 
 
-            //Need to add example child components like in the Asset (SJ)
-            Selection.activeGameObject = reorderableScrollRoot;
-        }
+			//Need to add example child components like in the Asset (SJ)
+			Selection.activeGameObject = reorderableScrollRoot;
+		}
 
-        [MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Grid", false)]
-        static public void AddReorderableGrid(MenuCommand menuCommand)
-        {
-            GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Grid", menuCommand, s_ThickGUIElementSize);
+		[MenuItem("GameObject/UI/Extensions/Re-orderable Lists/Re-orderable Grid", false)]
+		static public void AddReorderableGrid(MenuCommand menuCommand)
+		{
+			GameObject reorderableScrollRoot = CreateUIElementRoot("Re-orderable Grid", menuCommand, s_ThickGUIElementSize);
 
-            GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
+			GameObject childContent = CreateUIObject("List_Content", reorderableScrollRoot);
 
-            GameObject Element01 = CreateUIObject("Element_01", childContent);
-            GameObject Element02 = CreateUIObject("Element_02", childContent);
-            GameObject Element03 = CreateUIObject("Element_03", childContent);
+			GameObject Element01 = CreateUIObject("Element_01", childContent);
+			GameObject Element02 = CreateUIObject("Element_02", childContent);
+			GameObject Element03 = CreateUIObject("Element_03", childContent);
 
 
-            // Set RectTransform to stretch
-            RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
-            rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
-            rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
-            rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
+			// Set RectTransform to stretch
+			RectTransform rectTransformScrollSnapRoot = reorderableScrollRoot.GetComponent<RectTransform>();
+			rectTransformScrollSnapRoot.anchorMin = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchorMax = new Vector2(0.5f, 0.5f);
+			rectTransformScrollSnapRoot.anchoredPosition = Vector2.zero;
+			rectTransformScrollSnapRoot.sizeDelta = new Vector2(150f, 150f);
 
 
-            Image image = reorderableScrollRoot.AddComponent<Image>();
-            image.color = new Color(1f, 1f, 1f, 0.392f);
+			Image image = reorderableScrollRoot.AddComponent<Image>();
+			image.color = new Color(1f, 1f, 1f, 0.392f);
 
-            LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
-            reorderableScrollRootLE.preferredHeight = 300;
+			LayoutElement reorderableScrollRootLE = reorderableScrollRoot.AddComponent<LayoutElement>();
+			reorderableScrollRootLE.preferredHeight = 300;
 
-            reorderableScrollRoot.AddComponent<Mask>();
-            ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
+			reorderableScrollRoot.AddComponent<Mask>();
+			ReorderableList reorderableScrollRootRL = reorderableScrollRoot.AddComponent<ReorderableList>();
 
-            //Setup Content container
-            RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
-            rectTransformContent.anchorMin = Vector2.zero;
-            rectTransformContent.anchorMax = new Vector2(1f, 1f);
-            rectTransformContent.sizeDelta = Vector2.zero;
-            GridLayoutGroup childContentGLG = childContent.AddComponent<GridLayoutGroup>();
-            childContentGLG.cellSize = new Vector2(30, 30);
-            childContentGLG.spacing = new Vector2(10, 10);
-            ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
-            childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
+			//Setup Content container
+			RectTransform rectTransformContent = childContent.GetComponent<RectTransform>();
+			rectTransformContent.anchorMin = Vector2.zero;
+			rectTransformContent.anchorMax = new Vector2(1f, 1f);
+			rectTransformContent.sizeDelta = Vector2.zero;
+			GridLayoutGroup childContentGLG = childContent.AddComponent<GridLayoutGroup>();
+			childContentGLG.cellSize = new Vector2(30, 30);
+			childContentGLG.spacing = new Vector2(10, 10);
+			ContentSizeFitter childContentCSF = childContent.AddComponent<ContentSizeFitter>();
+			childContentCSF.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
 
-            reorderableScrollRootRL.ContentLayout = childContentGLG;
+			reorderableScrollRootRL.ContentLayout = childContentGLG;
 
-            //Setup 1st Child
-            Image Element01Image = Element01.AddComponent<Image>();
-            Element01Image.color = Color.green;
+			//Setup 1st Child
+			Image Element01Image = Element01.AddComponent<Image>();
+			Element01Image.color = Color.green;
 
-            RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
-            rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement01 = Element01.GetComponent<RectTransform>();
+			rectTransformElement01.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement01.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement01.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
-            LEElement01.minHeight = 50;
+			LayoutElement LEElement01 = Element01.AddComponent<LayoutElement>();
+			LEElement01.minHeight = 50;
 
-            //Setup 2nd Child
-            Image Element02Image = Element02.AddComponent<Image>();
-            Element02Image.color = Color.red;
+			//Setup 2nd Child
+			Image Element02Image = Element02.AddComponent<Image>();
+			Element02Image.color = Color.red;
 
-            RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
-            rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement02 = Element02.GetComponent<RectTransform>();
+			rectTransformElement02.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement02.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement02.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
-            LEElement02.minHeight = 50;
+			LayoutElement LEElement02 = Element02.AddComponent<LayoutElement>();
+			LEElement02.minHeight = 50;
 
-            //Setup 2nd Child
-            Image Element03Image = Element03.AddComponent<Image>();
-            Element03Image.color = Color.blue;
+			//Setup 2nd Child
+			Image Element03Image = Element03.AddComponent<Image>();
+			Element03Image.color = Color.blue;
 
-            RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
-            rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
-            rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
-            rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
+			RectTransform rectTransformElement03 = Element03.GetComponent<RectTransform>();
+			rectTransformElement03.anchorMin = new Vector2(0f, 0.5f);
+			rectTransformElement03.anchorMax = new Vector2(0f, 0.5f);
+			rectTransformElement03.pivot = new Vector2(0.5f, 0.5f);
 
-            LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
-            LEElement03.minHeight = 50;
+			LayoutElement LEElement03 = Element03.AddComponent<LayoutElement>();
+			LEElement03.minHeight = 50;
 
 
-            //Need to add example child components like in the Asset (SJ)
-            Selection.activeGameObject = reorderableScrollRoot;
-        }
+			//Need to add example child components like in the Asset (SJ)
+			Selection.activeGameObject = reorderableScrollRoot;
+		}
 
 
-        #endregion
+		#endregion
 
-        [MenuItem("GameObject/UI/Extensions/UI Knob", false)]
-        static public void AddUIKnob(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("UI Knob", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<Image>();
-            go.AddComponent<UI_Knob>();
-            Selection.activeGameObject = go;
-        }
+		[MenuItem("GameObject/UI/Extensions/UI Knob", false)]
+		static public void AddUIKnob(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("UI Knob", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<Image>();
+			go.AddComponent<UI_Knob>();
+			Selection.activeGameObject = go;
+		}
 		
 		[MenuItem("GameObject/UI/Extensions/TextPic", false)]
-        static public void AddTextPic(MenuCommand menuCommand)
-        {
-            GameObject go = CreateUIElementRoot("TextPic", menuCommand, s_ImageGUIElementSize);
-            go.AddComponent<TextPic>();
-            Selection.activeGameObject = go;
-        }
+		static public void AddTextPic(MenuCommand menuCommand)
+		{
+			GameObject go = CreateUIElementRoot("TextPic", menuCommand, s_ImageGUIElementSize);
+			go.AddComponent<TextPic>();
+			Selection.activeGameObject = go;
+		}
 
-        #endregion
+		#endregion
 
-        #region Helper Functions
-        private static GameObject AddInputFieldAsChild(GameObject parent)
-        {
-            GameObject root = CreateUIObject("InputField", parent);
+		#region Helper Functions
+		private static GameObject AddInputFieldAsChild(GameObject parent)
+		{
+			GameObject root = CreateUIObject("InputField", parent);
 
-            GameObject childPlaceholder = CreateUIObject("Placeholder", root);
-            GameObject childText = CreateUIObject("Text", root);
+			GameObject childPlaceholder = CreateUIObject("Placeholder", root);
+			GameObject childText = CreateUIObject("Text", root);
 
-            Image image = root.AddComponent<Image>();
-            image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kInputFieldBackgroundPath);
-            image.type = Image.Type.Sliced;
-            image.color = s_DefaultSelectableColor;
+			Image image = root.AddComponent<Image>();
+			image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kInputFieldBackgroundPath);
+			image.type = Image.Type.Sliced;
+			image.color = s_DefaultSelectableColor;
 
-            InputField inputField = root.AddComponent<InputField>();
-            SetDefaultColorTransitionValues(inputField);
+			InputField inputField = root.AddComponent<InputField>();
+			SetDefaultColorTransitionValues(inputField);
 
-            Text text = childText.AddComponent<Text>();
-            text.text = "";
-            text.supportRichText = false;
-            SetDefaultTextValues(text);
+			Text text = childText.AddComponent<Text>();
+			text.text = "";
+			text.supportRichText = false;
+			SetDefaultTextValues(text);
 
-            Text placeholder = childPlaceholder.AddComponent<Text>();
-            placeholder.text = "Enter text...";
-            placeholder.fontStyle = FontStyle.Italic;
-            // Make placeholder color half as opaque as normal text color.
-            Color placeholderColor = text.color;
-            placeholderColor.a *= 0.5f;
-            placeholder.color = placeholderColor;
+			Text placeholder = childPlaceholder.AddComponent<Text>();
+			placeholder.text = "Enter text...";
+			placeholder.fontStyle = FontStyle.Italic;
+			// Make placeholder color half as opaque as normal text color.
+			Color placeholderColor = text.color;
+			placeholderColor.a *= 0.5f;
+			placeholder.color = placeholderColor;
 
-            RectTransform textRectTransform = childText.GetComponent<RectTransform>();
-            textRectTransform.anchorMin = Vector2.zero;
-            textRectTransform.anchorMax = Vector2.one;
-            textRectTransform.sizeDelta = Vector2.zero;
-            textRectTransform.offsetMin = new Vector2(10, 6);
-            textRectTransform.offsetMax = new Vector2(-10, -7);
+			RectTransform textRectTransform = childText.GetComponent<RectTransform>();
+			textRectTransform.anchorMin = Vector2.zero;
+			textRectTransform.anchorMax = Vector2.one;
+			textRectTransform.sizeDelta = Vector2.zero;
+			textRectTransform.offsetMin = new Vector2(10, 6);
+			textRectTransform.offsetMax = new Vector2(-10, -7);
 
-            RectTransform placeholderRectTransform = childPlaceholder.GetComponent<RectTransform>();
-            placeholderRectTransform.anchorMin = Vector2.zero;
-            placeholderRectTransform.anchorMax = Vector2.one;
-            placeholderRectTransform.sizeDelta = Vector2.zero;
-            placeholderRectTransform.offsetMin = new Vector2(10, 6);
-            placeholderRectTransform.offsetMax = new Vector2(-10, -7);
+			RectTransform placeholderRectTransform = childPlaceholder.GetComponent<RectTransform>();
+			placeholderRectTransform.anchorMin = Vector2.zero;
+			placeholderRectTransform.anchorMax = Vector2.one;
+			placeholderRectTransform.sizeDelta = Vector2.zero;
+			placeholderRectTransform.offsetMin = new Vector2(10, 6);
+			placeholderRectTransform.offsetMax = new Vector2(-10, -7);
 
-            inputField.textComponent = text;
-            inputField.placeholder = placeholder;
+			inputField.textComponent = text;
+			inputField.placeholder = placeholder;
 
-            return root;
-        }
+			return root;
+		}
 
-        private static GameObject AddScrollbarAsChild(GameObject parent)
-        {
-            // Create GOs Hierarchy
-            GameObject scrollbarRoot = CreateUIObject("Scrollbar", parent);
+		private static GameObject AddScrollbarAsChild(GameObject parent)
+		{
+			// Create GOs Hierarchy
+			GameObject scrollbarRoot = CreateUIObject("Scrollbar", parent);
 
-            GameObject sliderArea = CreateUIObject("Sliding Area", scrollbarRoot);
-            GameObject handle = CreateUIObject("Handle", sliderArea);
+			GameObject sliderArea = CreateUIObject("Sliding Area", scrollbarRoot);
+			GameObject handle = CreateUIObject("Handle", sliderArea);
 
-            Image bgImage = scrollbarRoot.AddComponent<Image>();
-            bgImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
-            bgImage.type = Image.Type.Sliced;
-            bgImage.color = s_DefaultSelectableColor;
+			Image bgImage = scrollbarRoot.AddComponent<Image>();
+			bgImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpriteResourcePath);
+			bgImage.type = Image.Type.Sliced;
+			bgImage.color = s_DefaultSelectableColor;
 
-            Image handleImage = handle.AddComponent<Image>();
-            handleImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-            handleImage.type = Image.Type.Sliced;
-            handleImage.color = s_DefaultSelectableColor;
+			Image handleImage = handle.AddComponent<Image>();
+			handleImage.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+			handleImage.type = Image.Type.Sliced;
+			handleImage.color = s_DefaultSelectableColor;
 
-            RectTransform sliderAreaRect = sliderArea.GetComponent<RectTransform>();
-            sliderAreaRect.sizeDelta = new Vector2(-20, -20);
-            sliderAreaRect.anchorMin = Vector2.zero;
-            sliderAreaRect.anchorMax = Vector2.one;
+			RectTransform sliderAreaRect = sliderArea.GetComponent<RectTransform>();
+			sliderAreaRect.sizeDelta = new Vector2(-20, -20);
+			sliderAreaRect.anchorMin = Vector2.zero;
+			sliderAreaRect.anchorMax = Vector2.one;
 
-            RectTransform handleRect = handle.GetComponent<RectTransform>();
-            handleRect.sizeDelta = new Vector2(20, 20);
+			RectTransform handleRect = handle.GetComponent<RectTransform>();
+			handleRect.sizeDelta = new Vector2(20, 20);
 
-            Scrollbar scrollbar = scrollbarRoot.AddComponent<Scrollbar>();
-            scrollbar.handleRect = handleRect;
-            scrollbar.targetGraphic = handleImage;
-            SetDefaultColorTransitionValues(scrollbar);
+			Scrollbar scrollbar = scrollbarRoot.AddComponent<Scrollbar>();
+			scrollbar.handleRect = handleRect;
+			scrollbar.targetGraphic = handleImage;
+			SetDefaultColorTransitionValues(scrollbar);
 
-            return scrollbarRoot;
-        }
+			return scrollbarRoot;
+		}
 
-        private static GameObject AddTextAsChild(GameObject parent)
-        {
-            GameObject go = CreateUIObject("Text", parent);
+		private static GameObject AddTextAsChild(GameObject parent)
+		{
+			GameObject go = CreateUIObject("Text", parent);
 
-            Text lbl = go.AddComponent<Text>();
-            lbl.text = "New Text";
-            SetDefaultTextValues(lbl);
+			Text lbl = go.AddComponent<Text>();
+			lbl.text = "New Text";
+			SetDefaultTextValues(lbl);
 
-            return go;
-        }
+			return go;
+		}
 
-        private static GameObject AddImageAsChild(GameObject parent)
-        {
-            GameObject go = CreateUIObject("Image", parent);
+		private static GameObject AddImageAsChild(GameObject parent)
+		{
+			GameObject go = CreateUIObject("Image", parent);
 
-            go.AddComponent<Image>();
+			go.AddComponent<Image>();
 
-            return go;
-        }
+			return go;
+		}
 
-        private static GameObject AddButtonAsChild(GameObject parent)
-        {
-            GameObject buttonRoot = CreateUIObject("Button", parent);
+		private static GameObject AddButtonAsChild(GameObject parent)
+		{
+			GameObject buttonRoot = CreateUIObject("Button", parent);
 
-            GameObject childText = new GameObject("Text");
-            GameObjectUtility.SetParentAndAlign(childText, buttonRoot);
+			GameObject childText = new GameObject("Text");
+			GameObjectUtility.SetParentAndAlign(childText, buttonRoot);
 
-            Image image = buttonRoot.AddComponent<Image>();
-            image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
-            image.type = Image.Type.Sliced;
-            image.color = s_DefaultSelectableColor;
+			Image image = buttonRoot.AddComponent<Image>();
+			image.sprite = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath);
+			image.type = Image.Type.Sliced;
+			image.color = s_DefaultSelectableColor;
 
-            Button bt = buttonRoot.AddComponent<Button>();
-            SetDefaultColorTransitionValues(bt);
+			Button bt = buttonRoot.AddComponent<Button>();
+			SetDefaultColorTransitionValues(bt);
 
-            Text text = childText.AddComponent<Text>();
-            text.text = "Button";
-            text.alignment = TextAnchor.MiddleCenter;
-            SetDefaultTextValues(text);
+			Text text = childText.AddComponent<Text>();
+			text.text = "Button";
+			text.alignment = TextAnchor.MiddleCenter;
+			SetDefaultTextValues(text);
 
-            RectTransform textRectTransform = childText.GetComponent<RectTransform>();
-            textRectTransform.anchorMin = Vector2.zero;
-            textRectTransform.anchorMax = Vector2.one;
-            textRectTransform.sizeDelta = Vector2.zero;
+			RectTransform textRectTransform = childText.GetComponent<RectTransform>();
+			textRectTransform.anchorMin = Vector2.zero;
+			textRectTransform.anchorMax = Vector2.one;
+			textRectTransform.sizeDelta = Vector2.zero;
 
-            return buttonRoot;
-        }
+			return buttonRoot;
+		}
 
-        #endregion
+		#endregion
 
-    }
+	}
 }
diff --git a/Scripts/Layout/HorizontalScrollSnap.cs b/Scripts/Layout/HorizontalScrollSnap.cs
index 73068e3..78d90b8 100644
--- a/Scripts/Layout/HorizontalScrollSnap.cs
+++ b/Scripts/Layout/HorizontalScrollSnap.cs
@@ -49,9 +49,10 @@ namespace UnityEngine.UI.Extensions
         [SerializeField]
         public int StartingScreen = 1;
 
-        [Tooltip("The distance between two pages, by default 3 times the width of the control")]
+        [Tooltip("The distance between two pages based on page height, by default 3 times the width of the control")]
         [SerializeField]
-        public int PageStep = 0;
+        [Range(0, 8)]
+        public float PageStep = 0;
 
         public int CurrentPage
         {
@@ -74,10 +75,7 @@ namespace UnityEngine.UI.Extensions
             }
 
             _screensContainer = _scroll_rect.content;
-            if (PageStep == 0)
-            {
-                PageStep = (int)_scroll_rect.GetComponent<RectTransform>().rect.width * PageStep;
-            }
+
             DistributePages();
 
             _lerp = false;
@@ -229,14 +227,16 @@ namespace UnityEngine.UI.Extensions
         private void DistributePages()
         {
             int _offset = 0;
-            int _dimension = 0;
+            float _dimension = 0;
             Rect panelDimensions = gameObject.GetComponent<RectTransform>().rect;
-            int currentXPosition = 0;
+            float currentXPosition = 0;
+            var pageStepValue = (int)panelDimensions.width * ((PageStep == 0) ? 3 : PageStep);
+            
 
             for (int i = 0; i < _screensContainer.transform.childCount; i++)
             {
                 RectTransform child = _screensContainer.transform.GetChild(i).gameObject.GetComponent<RectTransform>();
-                currentXPosition = _offset + (int)(i * PageStep);
+                currentXPosition = _offset + (int)(i * pageStepValue);
                 child.sizeDelta = new Vector2(panelDimensions.width, panelDimensions.height);
                 child.anchoredPosition = new Vector2(currentXPosition, 0f);
                 child.anchorMin = new Vector2(0f, child.anchorMin.y);
diff --git a/Scripts/Layout/VerticalScrollSnap.cs b/Scripts/Layout/VerticalScrollSnap.cs
index b492205..d443d98 100644
--- a/Scripts/Layout/VerticalScrollSnap.cs
+++ b/Scripts/Layout/VerticalScrollSnap.cs
@@ -48,9 +48,10 @@ namespace UnityEngine.UI.Extensions
         [SerializeField]
         public int StartingScreen = 1;
 
-        [Tooltip("The distance between two pages, by default 3 times the width of the control")]
+        [Tooltip("The distance between two pages based on page height, by default 3 times the width of the control")]
         [SerializeField]
-        public int PageStep = 0;
+        [Range(0, 8)]
+        public float PageStep = 0;
 
         public int CurrentPage
         {
@@ -71,10 +72,7 @@ namespace UnityEngine.UI.Extensions
             }
 
             _screensContainer = _scroll_rect.content;
-            if (PageStep == 0)
-            {
-                PageStep = (int)_scroll_rect.GetComponent<RectTransform>().rect.height * 3;
-            }
+
             DistributePages();
 
             _lerp = false;
@@ -228,15 +226,19 @@ namespace UnityEngine.UI.Extensions
         {
             float _offset = 0;
             float _dimension = 0;
-            Vector2 panelDimensions = gameObject.GetComponent<RectTransform>().sizeDelta;
+            Rect panelDimensions = gameObject.GetComponent<RectTransform>().rect;
             float currentYPosition = 0;
+            var pageStepValue = (int)panelDimensions.height * ((PageStep == 0) ? 3 : PageStep);
 
             for (int i = 0; i < _screensContainer.transform.childCount; i++)
             {
                 RectTransform child = _screensContainer.transform.GetChild(i).gameObject.GetComponent<RectTransform>();
-                currentYPosition = _offset + i * PageStep;
-                child.sizeDelta = new Vector2(panelDimensions.x, panelDimensions.y);
-                child.anchoredPosition = new Vector2(0f - panelDimensions.x / 2, currentYPosition + panelDimensions.y / 2);
+                currentYPosition = _offset + i * pageStepValue;
+                child.sizeDelta = new Vector2(panelDimensions.width, panelDimensions.height);
+                child.anchoredPosition = new Vector2(0f, currentYPosition);
+                child.anchorMin = new Vector2(child.anchorMin.x, 0f);
+                child.anchorMax = new Vector2(child.anchorMax.x, 0f);
+                child.pivot = new Vector2(child.pivot.x, 0f);
             }
 
             _dimension = currentYPosition + _offset * -1;