From 8970e6cecac4f7fb9eead2ae26d0a996c46d1590 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jean-Philippe=20Bruy=C3=A8re?= <jp_bruyere@hotmail.com>
Date: Tue, 4 Mar 2025 13:26:18 +0100
Subject: [PATCH] color picker, wip

---
 Crow/Default.style                            |  16 +-
 Crow/Images/crow0.svg                         |  16 +-
 Crow/Templates/CheckBox2.template             |   2 +-
 Crow/Templates/ColorPicker.template           |  21 +-
 Crow/Templates/ColorSlider.template           |  10 +
 Crow/Templates/ScrollBar.template             |   2 +-
 Crow/src/Fill/Picture.cs                      |  20 +-
 Crow/src/IML/Instantiator.cs                  |  35 ---
 Crow/src/Interface.cs                         |  10 +
 Crow/src/Text/TextChange.cs                   |   7 +-
 Crow/src/Widgets/ColorGauge.cs                | 137 +++++++++
 Crow/src/Widgets/ColorPicker.cs               |  72 ++++-
 Crow/src/Widgets/ColorSlider.cs               | 259 ++----------------
 Crow/src/Widgets/Gauge.cs                     |   4 +-
 Crow/src/Widgets/GroupBase.cs                 |  15 +-
 Crow/src/Widgets/Slider.cs                    |  14 +-
 Crow/src/Widgets/TemplatedGroup.cs            |   5 +
 Crow/src/Widgets/Widget.cs                    |   7 +-
 Crow/src/Widgets/XmlIgnoreAttribute.cs        |  34 ---
 Crow/src/styling/Style.cs                     |  19 +-
 Directory.Build.props                         |   2 +-
 Drawing2D/Drawing2D.csproj                    |   1 +
 .../IML => Drawing2D/src}/IMLAttributes.cs    |   4 +
 Drawing2D/src/Style.cs                        |  28 ++
 Samples/common/src/SampleBase.cs              |  29 +-
 .../ui/Interfaces/Divers/colorPicker.crow     |   2 +-
 .../ui/Interfaces/Divers/colorSlider.crow     |  75 +++++
 .../ui/Interfaces/Divers/colorSlider2.crow    |  78 ++++++
 .../ui/Interfaces/Divers/colorSlider3.crow    |  47 ++++
 .../ui/Interfaces/Divers/colorSlider4.crow    |  13 +
 .../common/ui/Interfaces/Divers/image.crow    |   2 +
 .../ui/Interfaces/Divers/observableList.crow  |   3 +-
 .../ui/Interfaces/Divers/testShape.crow       |   9 +-
 .../ui/Interfaces/Divers/testSlider.crow      |   3 +-
 .../ui/Interfaces/Experimental/table.crow     |  10 +-
 .../TemplatedControl/testScrollbar2.crow      |  20 ++
 36 files changed, 640 insertions(+), 391 deletions(-)
 create mode 100644 Crow/Templates/ColorSlider.template
 create mode 100644 Crow/src/Widgets/ColorGauge.cs
 delete mode 100644 Crow/src/Widgets/XmlIgnoreAttribute.cs
 rename {Crow/src/IML => Drawing2D/src}/IMLAttributes.cs (88%)
 create mode 100644 Drawing2D/src/Style.cs
 create mode 100644 Samples/common/ui/Interfaces/Divers/colorSlider.crow
 create mode 100644 Samples/common/ui/Interfaces/Divers/colorSlider2.crow
 create mode 100644 Samples/common/ui/Interfaces/Divers/colorSlider3.crow
 create mode 100644 Samples/common/ui/Interfaces/Divers/colorSlider4.crow
 create mode 100644 Samples/common/ui/Interfaces/Divers/image.crow
 create mode 100644 Samples/common/ui/Interfaces/TemplatedControl/testScrollbar2.crow

diff --git a/Crow/Default.style b/Crow/Default.style
index 473f4070..34fb5899 100644
--- a/Crow/Default.style
+++ b/Crow/Default.style
@@ -280,12 +280,17 @@ ArrowBut {
 	Foreground="Grey";
 	Background="Transparent";
 
-	MouseEnter="{Foreground=${ControlHighlight}}";
+	MouseEnter="{Foreground=WhiteSmoke}";
 	MouseLeave="{Foreground=Grey}";
 
-	Margin="2";
+	Margin="1";
 	KeepProportions="true";
 }
+ScrollBarCursor {
+	Background="Grey";
+	MouseEnter="{Background=WhiteSmoke}";
+	MouseLeave="{Background=Grey}";
+}
 
 ScrollBar {
 	Orientation = "Vertical";
@@ -318,12 +323,15 @@ labColor {
 }
 labColorV {
 	Margin="1";
-	Width="Fit";
+	Width="50";
+	TextAlignment="Right";
 }
 ColorSlider {
 	Focusable="true";
-	Height="12";
+	Height="36";
 	Margin="0";
+	Maximum="255";
+	Decimals="0";
 }
 ColorPicker {
 	Height="Fit";
diff --git a/Crow/Images/crow0.svg b/Crow/Images/crow0.svg
index c6211302..94f5cfc6 100644
--- a/Crow/Images/crow0.svg
+++ b/Crow/Images/crow0.svg
@@ -9,22 +9,8 @@
    width="51.116982"
    version="1.1"
    id="svg2">
-  <metadata
-     id="metadata8">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <defs
-     id="defs6" />
   <path
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-0.09503,0.552109 0.01033,0.03255 0.0018,0.09092 -0.01898,0.129723 -0.04485,0.08379 -0.0079,0.827525 0.03967,0.798134 0.01662,-0.01026 0.02669,-0.0367 0.02239,-0.05873 z m 0.415265,-1.487433 c 0,-0.01986 0.01535,-0.03611 0.0341,-0.03611 0.01875,0 0.03411,0.0068 0.03411,0.01503 0,0.0083 -0.01535,0.02453 -0.03411,0.03611 -0.01875,0.01158 -0.0341,0.0048 -0.0341,-0.01503 z m 0.06821,-0.102309 c 0,-0.01985 0.01535,-0.03611 0.0341,-0.03611 0.01875,0 0.0341,0.0068 0.0341,0.01503 0,0.0083 -0.01535,0.02452 -0.0341,0.03611 -0.01875,0.01158 -0.0341,0.0048 -0.0341,-0.01503 z M 50.350048,2.911456 c -0.04024,-0.04024 -0.0851,-0.060404 -0.09969,-0.044811 -0.01458,0.015594 -0.0073,0.035235 0.01633,0.043647 0.02355,0.00841 0.03614,0.026146 0.02793,0.039407 -0.0082,0.013261 0.01737,0.026543 0.05685,0.029515 l 0.07175,0.0054 -0.07316,-0.073163 z M 28.551232,31.653751 c 0,-0.0083 0.01534,-0.02453 0.0341,-0.03611 0.01875,-0.01158 0.0341,-0.0048 0.0341,0.01503 0,0.01987 -0.01534,0.03611 -0.0341,0.03611 -0.01875,0 -0.0341,-0.0067 -0.0341,-0.01503 z M 47.469354,1.6014697 c 0.0231,-0.00934 0.06912,-0.00991 0.102307,-0.00127 0.03317,0.00865 0.01431,0.016289 -0.04196,0.016985 -0.05627,6.93e-4 -0.08342,-0.00638 -0.06032,-0.015721 z"
-     style="fill:#000000" />
+     style="fill:#dddddd" />
 </svg>
diff --git a/Crow/Templates/CheckBox2.template b/Crow/Templates/CheckBox2.template
index 68afd0bf..4f692335 100644
--- a/Crow/Templates/CheckBox2.template
+++ b/Crow/Templates/CheckBox2.template
@@ -1,4 +1,4 @@
-<Label Font="{./Font}" Text="{./Caption}" CornerRadius="{./CornerRadius}" Width="Stretched"
+<Label Font="{./Font}" Text="{./Caption}" CornerRadius="{./CornerRadius}" Width="Stretched" Focusable="{./Focusable}"
 	Margin="3"
 	Background="{./Background}"
 	Foreground="{./Foreground}"
diff --git a/Crow/Templates/ColorPicker.template b/Crow/Templates/ColorPicker.template
index 8289ce3f..19e70b9d 100644
--- a/Crow/Templates/ColorPicker.template
+++ b/Crow/Templates/ColorPicker.template
@@ -5,38 +5,31 @@
 		<Widget Width="30" Height="16" Background="{./CurrentColor}"/>
 		<HorizontalStack Height="Fit">
 			<Label Style="labColor" Text="R:"/>
-			<ColorSlider Name="cs" Component="Red" CurrentColor="{²./CurrentColor}"/>			
-			<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+			<ColorSlider Name="cs" Component="Red" CurrentColor="{./CurrentColor}" Value="{²./Red}"/>			
 		</HorizontalStack>
 		<HorizontalStack Height="Fit">
 			<Label Style="labColor" Text="G:"/>
-			<ColorSlider Name="cs" Component="Green" CurrentColor="{²./CurrentColor}"/>
-			<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+			<ColorSlider Name="cs" Component="Green" CurrentColor="{./CurrentColor}" Value="{²./Green}"/>
 		</HorizontalStack>
 		<HorizontalStack Height="Fit">
 			<Label Style="labColor" Text="B:"/>
-			<ColorSlider Name="cs" Component="Blue" CurrentColor="{²./CurrentColor}"/>
-			<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+			<ColorSlider Name="cs" Component="Blue" CurrentColor="{./CurrentColor}" Value="{²./Blue}"/>
 		</HorizontalStack>
 		<HorizontalStack Height="Fit">
 			<Label Style="labColor" Text="A:"/>
-			<ColorSlider Name="cs" Component="Alpha" CurrentColor="{²./CurrentColor}"/>
-			<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+			<ColorSlider Name="cs" Component="Alpha" CurrentColor="{./CurrentColor}" Value="{²./Alpha}"/>
 		</HorizontalStack>
 		<HorizontalStack Height="Fit">
 			<Label Style="labColor" Text="H:"/>
-			<ColorSlider Name="cs" Component="Hue" CurrentColor="{²./CurrentColor}"/>
-			<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+			<ColorSlider Name="cs" Component="Hue" CurrentColor="{./CurrentColor}" Value="{²./Hue}"/>
 		</HorizontalStack>
 		<HorizontalStack Height="Fit">
 			<Label Style="labColor" Text="S:"/>
-			<ColorSlider Name="cs" Component="Saturation" CurrentColor="{²./CurrentColor}"/>
-			<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+			<ColorSlider Name="cs" Component="Saturation" CurrentColor="{./CurrentColor}" Value="{²./Saturation}"/>
 		</HorizontalStack>
 		<HorizontalStack Height="Fit">
 			<Label Style="labColor" Text="V:"/>
-			<ColorSlider Name="cs" Component="Value" CurrentColor="{²./CurrentColor}"/>
-			<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+			<ColorSlider Name="cs" Component="Value" CurrentColor="{./CurrentColor}" Value="{²./Value}"/>
 		</HorizontalStack>
 	</VerticalStack>			
 </Border>
diff --git a/Crow/Templates/ColorSlider.template b/Crow/Templates/ColorSlider.template
new file mode 100644
index 00000000..2d05e7d6
--- /dev/null
+++ b/Crow/Templates/ColorSlider.template
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<Group Background="{./Background}" >
+	<ColorGauge Component="{./Component}" CurrentColor="{./CurrentColor}" Orientation="{./Orientation}" Margin="10" Height="Stretched" CornerRadius="10"/>
+	<Border Name="Cursor" Foreground="White" CornerRadius="15" BorderWidth="2">
+		<Group Fit="true">
+			<Label Left="2" Top="2" Text="{./Value}" Foreground="Black" Font="mono bold, 10"/>
+			<Label Text="{./Value}" Foreground="WhiteSmoke" Font="mono bold, 10"/>
+		</Group>
+	</Border>
+</Group>
\ No newline at end of file
diff --git a/Crow/Templates/ScrollBar.template b/Crow/Templates/ScrollBar.template
index 02685f41..e75d573a 100644
--- a/Crow/Templates/ScrollBar.template
+++ b/Crow/Templates/ScrollBar.template
@@ -4,7 +4,7 @@
 		<Shape Style="ArrowBut"	MouseDown="./OnDecrease"
     		Height="10" Size="10,10" Path="M 4.5,0.5 L 9.5,9.5 L 0.5,9.5 Z F"/>
 		<Container Margin="1">
-			<Widget Name="Cursor" Background="Grey" CornerRadius="{./CornerRadius}"/>
+			<Widget Style="ScrollBarCursor" Name="Cursor" CornerRadius="{./CornerRadius}"/>
 		</Container>
 		<Shape Style="ArrowBut" MouseDown="./OnIncrease"
 			Height="10" Size="10,10" Path="M 0.5,0.5 L 9.5,0.5 L 4.5,9.5 Z F"/>
diff --git a/Crow/src/Fill/Picture.cs b/Crow/src/Fill/Picture.cs
index a2c67613..b0cf29fb 100644
--- a/Crow/src/Fill/Picture.cs
+++ b/Crow/src/Fill/Picture.cs
@@ -10,6 +10,7 @@ using System.Collections.Generic;
 using Drawing2D;
 using System.Globalization;
 using Crow.DebugLogger;
+using System.Diagnostics;
 
 namespace Crow
 {
@@ -68,9 +69,15 @@ namespace Crow
 		}
 		#endregion
 
-		void init(Interface iFace, ref Rectangle rect, out float widthRatio, out float heightRatio) {
-			if (!IsLoaded)
-				load (iFace);
+		bool init(Interface iFace, ref Rectangle rect, out float widthRatio, out float heightRatio) {
+			if (!IsLoaded) {
+				try {
+					load (iFace);
+				} catch (Exception e) {
+					Debug.WriteLine($"Picture loading failed ({this.Path}): {e.Message}");
+				}
+			}
+				
 
 			widthRatio = 1f;
 			heightRatio = 1f;
@@ -85,6 +92,7 @@ namespace Crow
 						widthRatio = heightRatio;
 				}
 			}
+			return IsLoaded;
 		}
 
 		/// <summary>
@@ -98,7 +106,8 @@ namespace Crow
 		{
 			DbgLogger.AddEventWithMsg(DbgEvtType.Ressources, $"{Path}[Picture.Paint:]");
 
-			init(iFace, ref bounds, out float widthRatio, out float heightRatio);
+			if (!init(iFace, ref bounds, out float widthRatio, out float heightRatio))
+				return;
 
 			gr.SaveTransformations ();
 
@@ -114,7 +123,8 @@ namespace Crow
 		{
 			DbgLogger.AddEventWithMsg(DbgEvtType.Ressources, $"{Path} [Picture.SetAsSource]");
 
-			init(iFace, ref bounds, out float widthRatio, out float heightRatio);
+			if (!init(iFace, ref bounds, out float widthRatio, out float heightRatio))
+				return;
 
 			using (ISurface tmp = iFace.Backend.CreateSurface (bounds.Width, bounds.Height)) {
 				using (IContext gr = iFace.Backend.CreateContext (tmp)) {
diff --git a/Crow/src/IML/Instantiator.cs b/Crow/src/IML/Instantiator.cs
index 69159830..40f6e580 100644
--- a/Crow/src/IML/Instantiator.cs
+++ b/Crow/src/IML/Instantiator.cs
@@ -1608,41 +1608,6 @@ namespace Crow.IML {
 			orig.ValueChanged += tmp;
 		}
 		#endregion
-
-		/// <summary>
-		/// search for graphic object type in crow assembly, if not found,
-		/// search for type independently of namespace in all the loaded assemblies
-		/// </summary>
-		/// <remarks>
-		/// </remarks>
-		/// <returns>the corresponding type object</returns>
-		/// <param name="typeName">graphic object type name without its namespace</param>
-		public static Type GetWidgetTypeFromName (string typeName){
-			if (knownGOTypes.ContainsKey (typeName))
-				return knownGOTypes [typeName];
-			Type t = Type.GetType ("Crow." + typeName);
-			if (t != null) {
-				knownGOTypes.Add (typeName, t);
-				return t;
-			}
-
-			foreach (Type expT in Assembly.GetEntryAssembly ().GetExportedTypes ()) {
-				if (expT.Name != typeName)
-					continue;
-				knownGOTypes.Add (typeName, expT);
-				return expT;
-			}
-
-			foreach (Assembly a in Interface.crowAssemblies) {
-				foreach (Type expT in a.GetExportedTypes ()) {
-					if (expT.Name != typeName)
-						continue;
-					knownGOTypes.Add (typeName, expT);
-					return expT;
-				}
-			}
-			return null;
-		}
 	}
 }
 
diff --git a/Crow/src/Interface.cs b/Crow/src/Interface.cs
index e865739e..a10ef1db 100644
--- a/Crow/src/Interface.cs
+++ b/Crow/src/Interface.cs
@@ -675,6 +675,7 @@ namespace Crow
 		public long TotalWidgetCreated => Widget.TotalWidgetCreated;
 		public long TotalWidgetDisposed => Widget.TotalWidgetDisposed;
 		public long TotalWidgetActive => Widget.TotalWidgetCreated - Widget.TotalWidgetDisposed;
+		public long TotalWidgetPainted => Widget.TotalWidgetPainted;
 		public long TotalWidgetInGraphicTree {
 			get {
 				lock(UpdateMutex) {
@@ -685,6 +686,7 @@ namespace Crow
 				}
 			}
 		}
+		public long CanceledChildPaintCount => GroupBase.CanceledChildPaintCount;
 #endif
 
 		#region DragAndDrop
@@ -1857,10 +1859,18 @@ namespace Crow
 			<Label Text='TotalWidgetActive:' Width='50%'/>
 			<Label Text='{TotalWidgetActive}' TextAlignment='Right'/>
 		</HorizontalStack>
+		<HorizontalStack Height='Fit'>
+			<Label Text='TotalWidgetPainted:' Width='50%'/>
+			<Label Text='{TotalWidgetPainted}' TextAlignment='Right'/>
+		</HorizontalStack>
 		<HorizontalStack Height='Fit'>
 			<Label Text='TotalWidgetInGraphicTree:' Width='50%'/>
 			<Label Text='{TotalWidgetInGraphicTree}' TextAlignment='Right'/>
 		</HorizontalStack>
+		<HorizontalStack Height='Fit'>
+			<Label Text='Total Canceled Child Paint in Groups:' Width='50%'/>
+			<Label Text='{CanceledChildPaintCount}' TextAlignment='Right'/>
+		</HorizontalStack>
 	</VerticalStack>
 </Window>
 				").DataSource = this;
diff --git a/Crow/src/Text/TextChange.cs b/Crow/src/Text/TextChange.cs
index 68f4d2c3..6533a9b4 100644
--- a/Crow/src/Text/TextChange.cs
+++ b/Crow/src/Text/TextChange.cs
@@ -18,7 +18,12 @@ namespace Crow.Text
 
 		public int CharDiff => string.IsNullOrEmpty (ChangedText) ? - Length : ChangedText.Length - Length;
         public bool IsEmpty => string.IsNullOrEmpty (ChangedText) && Length == 0;
-        public TextChange (int position, int length, string changedText) {
+        public bool HasNewText => !string.IsNullOrEmpty (ChangedText);
+        
+        public bool HasNoEffect(ReadOnlySpan<char> src)
+            => src.Slice(Start, Length).Equals(ChangedText, StringComparison.Ordinal);
+
+        public TextChange (int position, int length, string changedText = null) {
             Start = position;
             Length = length;
             ChangedText = changedText;
diff --git a/Crow/src/Widgets/ColorGauge.cs b/Crow/src/Widgets/ColorGauge.cs
new file mode 100644
index 00000000..759e1cec
--- /dev/null
+++ b/Crow/src/Widgets/ColorGauge.cs
@@ -0,0 +1,137 @@
+// Copyright (c) 2013-2025  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+
+using System;
+using System.ComponentModel;
+
+
+using Drawing2D;
+
+namespace Crow {
+	public class ColorGauge : Widget
+	{
+		#region CTOR
+		protected ColorGauge () {}
+		public ColorGauge (Interface iface, string style = null) : base (iface, style) { }
+		#endregion
+
+		ColorComponent component;
+		Color currentColor = Colors.Black;
+		protected Orientation orientation;
+		protected bool inverted;
+
+		
+		[DefaultValue (ColorComponent.Value)]
+		public ColorComponent Component {
+			get => component;
+			set {
+				if (component == value)
+					return;
+				component = value;
+				NotifyValueChangedAuto (component);
+				RegisterForRedraw ();
+			}
+		}
+		public Color CurrentColor {
+			get => currentColor;
+			set {
+				if (currentColor == value)
+					return;
+
+				currentColor = value;
+
+				NotifyValueChangedAuto (currentColor);
+				RegisterForRedraw ();
+			}
+		}
+		[DefaultValue (Orientation.Horizontal)]
+		public virtual Orientation Orientation {
+			get => orientation;
+			set {
+				if (orientation == value)
+					return;
+				orientation = value;
+				NotifyValueChangedAuto (orientation);
+				RegisterForLayouting (LayoutingType.Sizing | LayoutingType.ArrangeChildren);
+			}
+		}
+		/// <summary>
+		/// if true, horizontal gauge will align drawing right, and vertical on bottom.
+		/// </summary>
+		public bool Inverted {
+			get => inverted;
+			set {
+				if (inverted == value)
+					return;
+				inverted = value;
+				NotifyValueChangedAuto (inverted);
+				RegisterForRedraw ();
+			}
+		}
+		protected override void onDraw (IContext gr) {
+			DbgLogger.StartEvent (DbgEvtType.GODraw, this);
+
+			//base.onDraw (gr);
+
+			Rectangle cb = ClientRectangle;
+			Rectangle r = cb;
+
+			/*if (orientation == Orientation.Horizontal) {
+				r.Width = (int)(cb.Width / Maximum * Value);
+				if (inverted)
+					r.Left = cb.Right - r.Width;
+			} else {
+				r.Height = (int)(cb.Height / Maximum * Value);
+				if (inverted)
+					r.Top = cb.Bottom - r.Height;
+			}*/
+			Gradient grad = new Gradient (
+				Orientation == Orientation.Vertical ? GradientType.Vertical : GradientType.Horizontal);
+			Color c = currentColor;
+
+			switch (component) {
+			case ColorComponent.Red:
+				grad.Stops.Add (new Gradient.ColorStop (0, new Color (0, c.G, c.B, c.A)));
+				grad.Stops.Add (new Gradient.ColorStop (1, new Color (255, c.G, c.B, c.A)));
+				break;
+			case ColorComponent.Green:
+				grad.Stops.Add (new Gradient.ColorStop (0, new Color (c.R, 0, c.B, c.A)));
+				grad.Stops.Add (new Gradient.ColorStop (1, new Color (c.R, 255, c.B, c.A)));
+				break;
+			case ColorComponent.Blue:
+				grad.Stops.Add (new Gradient.ColorStop (0, new Color (c.R, c.G, 0, c.A)));
+				grad.Stops.Add (new Gradient.ColorStop (1, new Color (c.R, c.G, 255, c.A)));
+				break;
+			case ColorComponent.Alpha:
+				grad.Stops.Add (new Gradient.ColorStop (0, new Color (c.R, c.G, c.B, 0)));
+				grad.Stops.Add (new Gradient.ColorStop (1, new Color (c.R, c.G, c.B, 255)));
+				break;
+			case ColorComponent.Hue:
+				grad.Stops.Add (new Gradient.ColorStop (0, new Color (1.0, 0, 0, 1)));
+				grad.Stops.Add (new Gradient.ColorStop (0.167, new Color (1.0, 1, 0, 1)));
+				grad.Stops.Add (new Gradient.ColorStop (0.333, new Color (0.0, 1, 0, 1)));
+				grad.Stops.Add (new Gradient.ColorStop (0.5, new Color (0.0, 1, 1, 1)));
+				grad.Stops.Add (new Gradient.ColorStop (0.667, new Color (0.0, 0, 1, 1)));
+				grad.Stops.Add (new Gradient.ColorStop (0.833, new Color (1.0, 0, 1, 1)));
+				grad.Stops.Add (new Gradient.ColorStop (1, new Color (1.0, 0, 0, 1)));
+				break;
+			case ColorComponent.Saturation:
+				grad.Stops.Add (new Gradient.ColorStop (0, Color.FromHSV (c.Hue, c.Value, 0, c.A)));
+				grad.Stops.Add (new Gradient.ColorStop (1, Color.FromHSV (c.Hue, c.Value, 0xff, c.A)));
+				break;
+			case ColorComponent.Value:
+				grad.Stops.Add (new Gradient.ColorStop (0, Color.FromHSV (c.Hue, 0, c.Saturation, c.A)));
+				grad.Stops.Add (new Gradient.ColorStop (1, Color.FromHSV (c.Hue, 0xff, c.Saturation, c.A)));
+				break;
+			}
+
+			grad.SetAsSource (IFace, gr, r);
+			CairoHelpers.CairoRectangle (gr, r, CornerRadius);
+			gr.Fill ();
+
+			DbgLogger.EndEvent (DbgEvtType.GODraw);
+		}
+	}
+}
+
diff --git a/Crow/src/Widgets/ColorPicker.cs b/Crow/src/Widgets/ColorPicker.cs
index 3b31ea43..7b250be5 100644
--- a/Crow/src/Widgets/ColorPicker.cs
+++ b/Crow/src/Widgets/ColorPicker.cs
@@ -29,11 +29,81 @@ namespace Crow
 			set {
 				if (currentColor.Equals(value))
 					return;
+				//Color prev = currentColor;
 				currentColor = value;
 				NotifyValueChangedAuto (currentColor);
-				NotifyValueChanged ("CurrentColor2", Color.FromHSV (currentColor.Hue, currentColor.Value, currentColor.Saturation, currentColor.A));
+				
 			}
 		}
+		public int Red {
+			get => (int)currentColor.R;
+			set {
+				if ((uint)value == currentColor.R)
+					return;
+				CurrentColor = new Color((uint)value, currentColor.G, currentColor.B, currentColor.A);
+				NotifyValueChangedAuto(currentColor.R);
+			}
+		}
+		public int Green {
+			get => (int)currentColor.G;
+			set {
+				if ((uint)value == currentColor.G)
+					return;
+				CurrentColor = new Color(currentColor.R, (uint)value, currentColor.B, currentColor.A);
+				NotifyValueChangedAuto(currentColor.G);
+			}
+		}		
+		public int Blue {
+			get => (int)currentColor.B;
+			set {
+				if ((uint)value == currentColor.B)
+					return;
+				CurrentColor = new Color(currentColor.R, currentColor.G, (uint)value, currentColor.A);
+				NotifyValueChangedAuto(currentColor.B);
+			}
+		}
+		public int Alpha {
+			get => (int)currentColor.A;
+			set {
+				if ((uint)value == currentColor.A)
+					return;
+				CurrentColor = new Color(currentColor.R, currentColor.G, currentColor.B, (uint)value);
+				NotifyValueChangedAuto(currentColor.A);
+			}
+		}
+		public int Hue {
+			get => (int)currentColor.B;
+			set {
+				if ((uint)value == currentColor.Hue)
+					return;
+				Color c = Color.FromHSV ((uint)value, currentColor.Value, currentColor.Saturation, currentColor.A);
+				for (int i = 0; i < 2; i++) {
+					c = Color.FromHSV ((uint)value, c.Value, c.Saturation, c.A);
+				}
+				CurrentColor = Color.FromHSV ((uint)value, c.Value, c.Saturation, c.A);
+				NotifyValueChangedAuto(currentColor.Hue);
+			}
+		}
+		public int Saturation {
+			get => (int)currentColor.B;
+			set {
+				if ((uint)value == currentColor.Saturation)
+					return;
+				CurrentColor = Color.FromHSV (currentColor.Hue, currentColor.Value, (uint)value, currentColor.A);
+				NotifyValueChangedAuto(currentColor.Saturation);
+			}
+		}
+		public int Value {
+			get => (int)currentColor.B;
+			set {
+				if ((uint)value == currentColor.Value)
+					return;
+				CurrentColor = Color.FromHSV (currentColor.Hue, (uint)value, currentColor.Saturation, currentColor.A);												
+				NotifyValueChangedAuto(currentColor.Value);
+			}
+		}
+			
+
 		public IList<Colors> AvailableColors => //Enum.GetValues (typeof (Color)).ToList<Color> ();// Colors. ColorDic.Values.OrderBy (c => c.Hue).ToList ();
 			EnumsNET.Enums.GetValues<Colors> ().ToList<Colors> ();
 
diff --git a/Crow/src/Widgets/ColorSlider.cs b/Crow/src/Widgets/ColorSlider.cs
index 61bb951d..d01d2d7d 100644
--- a/Crow/src/Widgets/ColorSlider.cs
+++ b/Crow/src/Widgets/ColorSlider.cs
@@ -15,53 +15,16 @@ namespace Crow
 	/// Color component slider with background gradient ranging from 0 to 1 for this component value.
 	/// </summary>
 	[DesignIgnore]
-	public class ColorSlider : Widget
+	public class ColorSlider : Slider
 	{
 		#region CTOR
 		protected ColorSlider() {}
 		public ColorSlider (Interface iface, string style = null) : base (iface, style) { }
 		#endregion
 
-		protected Point mousePos;//store local mouse pos sync with currentValue
-		Orientation orientation;
-		CursorType cursorType = CursorType.Pentagone;
-		ColorComponent component;
 		Color currentColor = Colors.Black;
-		int currentValue = -1;//force notify for property less binding 'CurrentValue'
+		ColorComponent component;
 
-		[DefaultValue (Orientation.Horizontal)]
-		public Orientation Orientation {
-			get => orientation;
-			set {
-				if (orientation == value)
-					return;
-				orientation = value;
-				NotifyValueChangedAuto (orientation);
-				RegisterForGraphicUpdate ();
-			}
-		}
-		[DefaultValue (CursorType.Pentagone)]
-		public CursorType CursorType {
-			get => cursorType;
-			set {
-				if (cursorType == value)
-					return;
-				cursorType = value;
-				NotifyValueChangedAuto (cursorType);
-				RegisterForRedraw ();
-			}
-		}
-		[DefaultValue (ColorComponent.Value)]
-		public ColorComponent Component {
-			get => component;
-			set {
-				if (component == value)
-					return;
-				component = value;
-				NotifyValueChangedAuto (component);
-				RegisterForRedraw ();
-			}
-		}
 		public Color CurrentColor {
 			get => currentColor;
 			set {
@@ -70,223 +33,45 @@ namespace Crow
 
 				currentColor = value;
 
-				NotifyValueChangedAuto (currentColor);
-				RegisterForRedraw ();
-
 				switch (component) {
 				case ColorComponent.Red:
-					if (currentValue == currentColor.R)
-						return;
-					currentValue = (int)currentColor.R;
+					Value = currentColor.R;
 					break;
 				case ColorComponent.Green:
-					if (currentValue == currentColor.G)
-						return;
-					currentValue = (int)currentColor.G;
+					Value = currentColor.G;
 					break;
 				case ColorComponent.Blue:
-					if (currentValue == currentColor.B)
-						return;
-					currentValue = (int)currentColor.B;
+					Value = currentColor.B;
 					break;
 				case ColorComponent.Alpha:
-					if (currentValue == currentColor.A)
-						return;
-					currentValue = (int)currentColor.A;
+					Value = currentColor.A;
 					break;
 				case ColorComponent.Hue:
-					if (currentValue == currentColor.Hue)
-						return;
-					currentValue = (int)currentColor.Hue;
+					Value = currentColor.Hue;
 					break;
 				case ColorComponent.Saturation:
-					if (currentValue == currentColor.Saturation)
-						return;
-					currentValue = (int)currentColor.Saturation;
+					Value = currentColor.Saturation;
 					break;
 				case ColorComponent.Value:
-					if (currentValue == currentColor.Value)
-						return;
-					currentValue = (int)currentColor.Value;
+					Value = currentColor.Value;
 					break;
-				}
-
-				NotifyValueChanged ("CurrentValue", $"{currentValue:000}");
-
-				if (Orientation == Orientation.Horizontal)
-					mousePos.X = (int)Math.Floor ((double)currentValue * ClientRectangle.Width / 255.0);
-				else
-					mousePos.Y = (int)Math.Floor ((double)currentValue * ClientRectangle.Height / 255.0);
-			}
-		}
-		public override void onMouseMove (object sender, MouseMoveEventArgs e)
-		{
-			if (IFace.IsDown(MouseButton.Left)) {
-				updateMouseLocalPos (e.Position);
-				e.Handled = true;
-			}
-			base.onMouseMove (sender, e);
-		}
-		public override void onMouseDown (object sender, MouseButtonEventArgs e)
-		{
+				}				
 
-			if (e.Button == MouseButton.Left) {
-				updateMouseLocalPos (e.Position);
-				e.Handled = true;
-			}
-			base.onMouseDown (sender, e);
-		}
-
-		protected override void onDraw (IContext gr) {
-			DbgLogger.StartEvent (DbgEvtType.GODraw, this);
-
-			base.onDraw (gr);
-
-			RectangleD r = ClientRectangle;
-			r.Height -= 4;
-			r.Y += 2;
-
-			Gradient grad = new Gradient (
-				Orientation == Orientation.Vertical ? GradientType.Vertical : GradientType.Horizontal);
-			Color c = currentColor;
-
-			switch (component) {
-			case ColorComponent.Red:
-				grad.Stops.Add (new Gradient.ColorStop (0, new Color (0, c.G, c.B, c.A)));
-				grad.Stops.Add (new Gradient.ColorStop (1, new Color (255, c.G, c.B, c.A)));
-				break;
-			case ColorComponent.Green:
-				grad.Stops.Add (new Gradient.ColorStop (0, new Color (c.R, 0, c.B, c.A)));
-				grad.Stops.Add (new Gradient.ColorStop (1, new Color (c.R, 255, c.B, c.A)));
-				break;
-			case ColorComponent.Blue:
-				grad.Stops.Add (new Gradient.ColorStop (0, new Color (c.R, c.G, 0, c.A)));
-				grad.Stops.Add (new Gradient.ColorStop (1, new Color (c.R, c.G, 255, c.A)));
-				break;
-			case ColorComponent.Alpha:
-				grad.Stops.Add (new Gradient.ColorStop (0, new Color (c.R, c.G, c.B, 0)));
-				grad.Stops.Add (new Gradient.ColorStop (1, new Color (c.R, c.G, c.B, 255)));
-				break;
-			case ColorComponent.Hue:
-				grad.Stops.Add (new Gradient.ColorStop (0, new Color (1.0, 0, 0, 1)));
-				grad.Stops.Add (new Gradient.ColorStop (0.167, new Color (1.0, 1, 0, 1)));
-				grad.Stops.Add (new Gradient.ColorStop (0.333, new Color (0.0, 1, 0, 1)));
-				grad.Stops.Add (new Gradient.ColorStop (0.5, new Color (0.0, 1, 1, 1)));
-				grad.Stops.Add (new Gradient.ColorStop (0.667, new Color (0.0, 0, 1, 1)));
-				grad.Stops.Add (new Gradient.ColorStop (0.833, new Color (1.0, 0, 1, 1)));
-				grad.Stops.Add (new Gradient.ColorStop (1, new Color (1.0, 0, 0, 1)));
-				break;
-			case ColorComponent.Saturation:
-				grad.Stops.Add (new Gradient.ColorStop (0, Color.FromHSV (c.Hue, c.Value, 0, c.A)));
-				grad.Stops.Add (new Gradient.ColorStop (1, Color.FromHSV (c.Hue, c.Value, 0xff, c.A)));
-				break;
-			case ColorComponent.Value:
-				grad.Stops.Add (new Gradient.ColorStop (0, Color.FromHSV (c.Hue, 0, c.Saturation, c.A)));
-				grad.Stops.Add (new Gradient.ColorStop (1, Color.FromHSV (c.Hue, 0xff, c.Saturation, c.A)));
-				break;
-			}
-
-			grad.SetAsSource (IFace, gr, r);
-			CairoHelpers.CairoRectangle (gr, r, CornerRadius);
-			gr.Fill ();
-
-			r = ClientRectangle;
-
-			switch (cursorType) {
-			case CursorType.Rectangle:
-				if (Orientation == Orientation.Horizontal) {
-					r.Width = 5;
-					r.X = mousePos.X - 2.5;
-				} else {
-					r.Height = 5;
-					r.Y = mousePos.Y - 2.5;
-				}
-				CairoHelpers.CairoRectangle (gr, r, 1);
-				break;
-			case CursorType.Circle:
-				if (Orientation == Orientation.Horizontal)
-					gr.Arc (mousePos.X, r.Center.Y, 3.5, 0, Math.PI * 2.0);
-				else
-					gr.Arc (r.Center.X, mousePos.Y, 3.5, 0, Math.PI * 2.0);
-				break;
-			case CursorType.Pentagone:
-				if (Orientation == Orientation.Horizontal) {
-					r.Width = 5;
-					r.X = mousePos.X - 2.5;
-					double y = r.CenterD.Y - r.Height * 0.2;
-					gr.MoveTo (mousePos.X, y);
-					y += r.Height * 0.15;
-					gr.LineTo (r.Right, y);
-					gr.LineTo (r.Right, r.Bottom - 0.5);
-					gr.LineTo (r.Left, r.Bottom - 0.5);
-					gr.LineTo (r.Left, y);
-					gr.ClosePath ();
-				} else {
-				}
-				break;
+				NotifyValueChangedAuto (currentColor);
+				RegisterForRedraw ();
 			}
-
-			gr.SetSource (Colors.Black);
-			gr.LineWidth = 2.0;
-			gr.StrokePreserve ();
-			gr.SetSource (Colors.White);
-			gr.LineWidth = 1.0;
-			gr.Stroke ();
-
-			DbgLogger.EndEvent (DbgEvtType.GODraw);
-		}
-		public override void OnLayoutChanges (LayoutingType layoutType) {
-			base.OnLayoutChanges (layoutType);
-
-			if (Orientation == Orientation.Horizontal) {
-				if (layoutType == LayoutingType.Width)
-					mousePos.X = (int)Math.Floor (currentValue / 255.0 * ClientRectangle.Width);
-			} else if (layoutType == LayoutingType.Height)
-				mousePos.Y = (int)Math.Floor (currentValue / 255.0 * ClientRectangle.Height);
 		}
-
-		protected virtual void updateMouseLocalPos(Point mPos){
-			Rectangle r = ScreenCoordinates (Slot);
-			Rectangle cb = ClientRectangle;
-			mousePos = mPos - r.Position;
-
-			mousePos.X = Math.Max(cb.X, mousePos.X);
-			mousePos.X = Math.Min(cb.Right, mousePos.X);
-			mousePos.Y = Math.Max(cb.Y, mousePos.Y);
-			mousePos.Y = Math.Min(cb.Bottom, mousePos.Y);
-
-			if (Orientation == Orientation.Horizontal)
-				currentValue = (int)((double)mousePos.X / ClientRectangle.Width * 0xff);
-			else
-				currentValue = (int)((double)mousePos.Y / ClientRectangle.Height * 0xff);
-
-			NotifyValueChanged ("CurrentValue", $"{currentValue:000}");
-
-			Color c = currentColor;
-			switch (component) {
-			case ColorComponent.Red:
-				CurrentColor = new Color((uint)currentValue, c.G, c.B, c.A);
-				break;
-			case ColorComponent.Green:
-				CurrentColor = new Color (c.R, (uint)currentValue, c.B, c.A);
-				break;
-			case ColorComponent.Blue:
-				CurrentColor = new Color (c.R, c.G, (uint)currentValue, c.A);
-				break;
-			case ColorComponent.Alpha:
-				CurrentColor = new Color (c.R, c.G, c.B, (uint)currentValue);
-				break;
-			case ColorComponent.Hue:
-				CurrentColor = Color.FromHSV ((uint)currentValue, c.Value, c.Saturation, c.A);
-				break;
-			case ColorComponent.Saturation:
-				CurrentColor = Color.FromHSV (c.Hue, c.Value, (uint)currentValue, c.A);
-				break;
-			case ColorComponent.Value:
-				CurrentColor = Color.FromHSV (c.Hue, (uint)currentValue, c.Saturation, c.A);
-				break;
+		[DefaultValue (ColorComponent.Value)]
+		public ColorComponent Component {
+			get => component;
+			set {
+				if (component == value)
+					return;
+				component = value;
+				NotifyValueChangedAuto (component);
+				RegisterForRedraw ();
 			}
-		}
+		}		
 	}
 }
 
diff --git a/Crow/src/Widgets/Gauge.cs b/Crow/src/Widgets/Gauge.cs
index 8cab26c1..4df23304 100644
--- a/Crow/src/Widgets/Gauge.cs
+++ b/Crow/src/Widgets/Gauge.cs
@@ -18,8 +18,8 @@ namespace Crow {
 
 		#region protected fields
 		protected double actualValue, minValue, maxValue;
-		Orientation orientation;
-		bool inverted;
+		protected Orientation orientation;
+		protected bool inverted;
 		#endregion
 
 		#region public properties
diff --git a/Crow/src/Widgets/GroupBase.cs b/Crow/src/Widgets/GroupBase.cs
index 3a3e72c9..65fe860f 100644
--- a/Crow/src/Widgets/GroupBase.cs
+++ b/Crow/src/Widgets/GroupBase.cs
@@ -15,6 +15,9 @@ namespace Crow
 {
 	public abstract class GroupBase : Widget
     {
+		#if DEBUG_STATS
+		public static long CanceledChildPaintCount = 0;
+		#endif
 		#if DESIGN_MODE
 		public override bool FindByDesignID(string designID, out Widget go){
 			go = null;
@@ -236,8 +239,16 @@ namespace Crow
 			childrenRWLock.EnterReadLock ();
 			try
 			{
-				for (int i = 0; i < Children.Count; i++)
-					Children[i].Paint (gr);
+				Rectangle cb = ClientRectangle;
+				for (int i = 0; i < Children.Count; i++) {
+					if (cb.Intersect(Children[i].ContextCoordinates(Children[i].ClientRectangle)))
+						Children[i].Paint (gr);
+#if DEBUG_STATS
+					else
+						CanceledChildPaintCount++;
+#endif
+				}
+					
 			} catch (Exception e) {
 				Console.WriteLine($"Erreur group {this} paint: {e.Message}");
 				Console.WriteLine(e.StackTrace);
diff --git a/Crow/src/Widgets/Slider.cs b/Crow/src/Widgets/Slider.cs
index dbd7e58d..96dcaa86 100644
--- a/Crow/src/Widgets/Slider.cs
+++ b/Crow/src/Widgets/Slider.cs
@@ -148,15 +148,15 @@ namespace Crow
 			if (_orientation == Orientation.Horizontal) {
 				unity = (r.Width - cursorSize) / (Maximum - Minimum);
 				if (inverted)
-					cursor.Left = r.Right - cursorSize - (int)((Value - Minimum) * unity);
+					cursor.Left = r.Width - cursorSize - (int)((Value - Minimum) * unity);
 				else
-					cursor.Left = r.Left + (int)((Value - Minimum) * unity);
+					cursor.Left = (int)((Value - Minimum) * unity);
 			} else {
 				unity = (r.Height - cursorSize) / (Maximum - Minimum);
 				if (inverted)
-					cursor.Top = r.Bottom - cursorSize - (int)((Value - Minimum) * unity);
+					cursor.Top = r.Height - cursorSize - (int)((Value - Minimum) * unity);
 				else
-					cursor.Top = r.Top + (int)((Value - Minimum) * unity);
+					cursor.Top = (int)((Value - Minimum) * unity);
 			}
         }
 		Point mouseDownInit;
@@ -231,18 +231,20 @@ namespace Crow
 		/// </summary>
 		/// <param name="sender">event sender</param>
 		/// <param name="e">event argument</param>
-		public void OnDecrease (object sender, EventArgs e)
+		public void OnDecrease (object sender, MouseEventArgs e)
 		{
 			Value -= SmallIncrement;
+			e.Handled = true;
 		}
 		/// <summary>
 		/// Handler to increase current value by `SmallIncrement`
 		/// </summary>
 		/// <param name="sender">event sender</param>
 		/// <param name="e">event argument</param>
-		public void OnIncrease (object sender, EventArgs e)
+		public void OnIncrease (object sender, MouseEventArgs e)
 		{
 			Value += SmallIncrement;
+			e.Handled = true;
 		}
 
 		protected override void Dispose(bool disposing)
diff --git a/Crow/src/Widgets/TemplatedGroup.cs b/Crow/src/Widgets/TemplatedGroup.cs
index d9706969..4cbace6e 100644
--- a/Crow/src/Widgets/TemplatedGroup.cs
+++ b/Crow/src/Widgets/TemplatedGroup.cs
@@ -289,12 +289,17 @@ namespace Crow {
 		void Ol_ListRemove (object sender, ListChangedEventArg e)
 		{
 			cancelLoadingThread ();
+			
+			if (selectedItemContainer == itemsContainer.Children[e.Index])
+				SelectedItem = null;
+
 			if (this.isPaged) {
 				int p = e.Index / itemPerPage;
 				int i = e.Index % itemPerPage;
 				(itemsContainer.Children [p] as Group).DeleteChild (i);
 			} else
 				itemsContainer.DeleteChild (e.Index);
+			
 		}
 
 		void Ol_ListAdd (object sender, ListChangedEventArg e)
diff --git a/Crow/src/Widgets/Widget.cs b/Crow/src/Widgets/Widget.cs
index bebb57a3..5e47dd6b 100644
--- a/Crow/src/Widgets/Widget.cs
+++ b/Crow/src/Widgets/Widget.cs
@@ -41,6 +41,7 @@ namespace Crow
 #if DEBUG_STATS
 		public static long TotalWidgetCreated;
 		public static long TotalWidgetDisposed;
+		public static long TotalWidgetPainted;
 		public virtual long ChildCount => 0;
 #endif
 #if DESIGN_MODE
@@ -450,7 +451,8 @@ namespace Crow
 				return
 					Parent.ScreenCoordinates(r) + Parent.getSlot().Position + Parent.ClientRectangle.Position;
 			} catch (Exception ex) {
-				Debug.WriteLine (ex);
+				Debug.WriteLine (ex.Message);
+				Debug.WriteLine (ex.StackTrace);
 				return default(Rectangle);
 			}
 		}
@@ -2043,6 +2045,9 @@ namespace Crow
 				LastPaintedSlot = Slot;
 			//}
 			Painted.Raise (this, null);
+#if DEBUG_STATS			
+			TotalWidgetPainted++;
+#endif
 
 			DbgLogger.EndEvent (DbgEvtType.GOPaint);
 			return true;
diff --git a/Crow/src/Widgets/XmlIgnoreAttribute.cs b/Crow/src/Widgets/XmlIgnoreAttribute.cs
deleted file mode 100644
index 29e5bf6e..00000000
--- a/Crow/src/Widgets/XmlIgnoreAttribute.cs
+++ /dev/null
@@ -1,34 +0,0 @@
-//
-// Expandable.cs
-//
-// Author:
-//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
-//
-// Copyright (c) 2013-2017 Jean-Philippe Bruyère
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-using System;
-
-namespace Crow
-{
-    public class XmlIgnoreAttribute : Attribute
-    {
-    }
-}
\ No newline at end of file
diff --git a/Crow/src/styling/Style.cs b/Crow/src/styling/Style.cs
index 6694dfa8..0067d10d 100644
--- a/Crow/src/styling/Style.cs
+++ b/Crow/src/styling/Style.cs
@@ -1,4 +1,4 @@
-// Copyright (c) 2013-2020  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+// Copyright (c) 2013-2025  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
 //
 // This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
 
@@ -7,23 +7,6 @@ using System.Collections.Generic;
 
 namespace Crow
 {
-	public struct FileLocation {
-		public string FilePath;
-		public int Line;
-		public int Column;
-		public int Length;
-
-		public FileLocation(string filePath, int line, int column, int length = 0){
-			FilePath = filePath;
-			Line = line;
-			Column = column;
-			Length = length;
-		}
-		public override string ToString ()
-		{
-			return string.Format ("{0} ({1},{2})", FilePath, Line, Column);
-		}
-	}
 	public class Style : Dictionary<string, string>
 	{
 		#if DESIGN_MODE
diff --git a/Directory.Build.props b/Directory.Build.props
index e1bd3e46..f3f829df 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -15,7 +15,7 @@
 
 		<!-- Compile with logging enabled, this will slow down apps, use this only
 			 for debugging purpose-->
-		<CrowDebugLogEnabled>true</CrowDebugLogEnabled>
+		<CrowDebugLogEnabled>false</CrowDebugLogEnabled>
 
 		<!-- Collect several statistics on widgets-->
 		<CrowDebugStatsEnabled>false</CrowDebugStatsEnabled>
diff --git a/Drawing2D/Drawing2D.csproj b/Drawing2D/Drawing2D.csproj
index 72123f26..d1c3f10f 100644
--- a/Drawing2D/Drawing2D.csproj
+++ b/Drawing2D/Drawing2D.csproj
@@ -10,6 +10,7 @@
 		<Title>Drawing 2D Library</Title>
 		<Description>
 		2d shapes and drawing interfaces used in C.R.O.W and Vke.net.
+		Contains also most used crow basic object for sharing across load contexts.
 		</Description>
 		<License>MIT</License>
 		<Authors>Jean-Philippe Bruyère</Authors>
diff --git a/Crow/src/IML/IMLAttributes.cs b/Drawing2D/src/IMLAttributes.cs
similarity index 88%
rename from Crow/src/IML/IMLAttributes.cs
rename to Drawing2D/src/IMLAttributes.cs
index b983d1a6..9a6d7dfb 100644
--- a/Crow/src/IML/IMLAttributes.cs
+++ b/Drawing2D/src/IMLAttributes.cs
@@ -6,6 +6,10 @@ using System;
 
 namespace Crow
 {
+	public class XmlIgnoreAttribute : Attribute
+	{ 
+	}
+
 	public class DesignIgnore : Attribute
 	{		
 	}
diff --git a/Drawing2D/src/Style.cs b/Drawing2D/src/Style.cs
new file mode 100644
index 00000000..3feab7c6
--- /dev/null
+++ b/Drawing2D/src/Style.cs
@@ -0,0 +1,28 @@
+// Copyright (c) 2013-2025  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+
+using System;
+using System.Collections.Generic;
+
+namespace Crow
+{
+	public struct FileLocation {
+		public string FilePath;
+		public int Line;
+		public int Column;
+		public int Length;
+
+		public FileLocation(string filePath, int line, int column, int length = 0){
+			FilePath = filePath;
+			Line = line;
+			Column = column;
+			Length = length;
+		}
+		public override string ToString ()
+		{
+			return string.Format ("{0} ({1},{2})", FilePath, Line, Column);
+		}
+	}
+}
+
diff --git a/Samples/common/src/SampleBase.cs b/Samples/common/src/SampleBase.cs
index 93526308..0aac7873 100644
--- a/Samples/common/src/SampleBase.cs
+++ b/Samples/common/src/SampleBase.cs
@@ -86,6 +86,10 @@ namespace Samples
 					if (!string.IsNullOrEmpty(selItem))
 						ObservableTestList.Remove(lb.SelectedItem as string);
 				},null, true);
+			CMDObsListRemove2 = new ActionCommand ("Remove2",
+				() => {
+					ObservableTestList.Remove(observableTestListSelectedItem);
+				},null, false);
 		}
 		DeviceEventType deviceEventTypeEnum;
 		public DeviceEventType DeviceEventTypeEnum {
@@ -332,7 +336,7 @@ namespace Samples
 			}
 		}
 
-		public ActionCommand CMDObsListAdd,CMDObsListRemove;
+		public ActionCommand CMDObsListAdd,CMDObsListRemove,CMDObsListRemove2;
 		string obsListNewItem = "new item";
 		public string ObsListNewItem {
 			get => obsListNewItem;
@@ -345,8 +349,17 @@ namespace Samples
 			}
 		}
 		public ObservableList<string> ObservableTestList = new ObservableList<string>(new string[]{"string1", "string2"});
-
-
+		string observableTestListSelectedItem = null;
+		public string ObservableTestListSelectedItem {
+			get => observableTestListSelectedItem;
+			set {
+				if (value == observableTestListSelectedItem)
+					return;
+				observableTestListSelectedItem = value;
+				NotifyValueChanged(ObservableTestListSelectedItem);
+				CMDObsListRemove2.CanExecute = !string.IsNullOrEmpty(observableTestListSelectedItem);
+			}
+		}
 		IList<Colors> testList = (IList<Colors>)EnumsNET.Enums.GetValues<Colors>().ToList();//.ColorDic.Values//.OrderBy(c=>c.Hue)
 																									  //.ThenBy(c=>c.Value).ThenBy(c=>c.Saturation)
 																									  //.ToList ();
@@ -475,6 +488,16 @@ namespace Samples
 			}
 		}
 
+		public Fill TestColor {
+			get => Configuration.Global.Get<Color> (nameof(AllWidgetBackground));
+			set {
+				if (value == AllWidgetBackground)
+					return;
+				Configuration.Global.Set (nameof(AllWidgetBackground), value);
+				NotifyValueChanged (value);
+			}
+		}
+
 
 
 
diff --git a/Samples/common/ui/Interfaces/Divers/colorPicker.crow b/Samples/common/ui/Interfaces/Divers/colorPicker.crow
index dc4a6abe..c1912be6 100644
--- a/Samples/common/ui/Interfaces/Divers/colorPicker.crow
+++ b/Samples/common/ui/Interfaces/Divers/colorPicker.crow
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <VerticalStack>
-	<ColorPicker CurrentColor="{²../go.Background}" Name="colorPicker" Background="DimGrey"  Width="250" />
+	<ColorPicker CurrentColor="{²../go.Background}" Name="colorPicker" Background="DimGrey"  Width="400" />
 	<Widget Name="go" Width="100" Height="60" Background="DarkBlue"/>
 	<Widget Width="100" Height="60" Background="{../colorPicker.CurrentColor}"/>
 	<Label Text="{../colorPicker.CurrentColor}"/>
diff --git a/Samples/common/ui/Interfaces/Divers/colorSlider.crow b/Samples/common/ui/Interfaces/Divers/colorSlider.crow
new file mode 100644
index 00000000..012fd2dd
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Divers/colorSlider.crow
@@ -0,0 +1,75 @@
+<VerticalStack Margin="50" Spacing="20" Background="DimGrey">
+	<HorizontalStack Height="Fit" Width="400" Spacing="5" Margin="5" Background="Jet">
+		<Label Style="labColor" Text="G:"/>
+		<ColorSlider Name="cs" Component="Red" CurrentColor="Green" CursorType="Circle" ClipToClientRect="false" Background="Black" Margin="5" Height="20" />
+		<Label Style="labColorV" Text="{../cs.CurrentValue}"  />
+		<Container Width="100" Height="100" Background="Red" Margin="5">
+			<Widget Width="20" Height="20" Background="Blue" HorizontalAlignment="Left" VerticalAlignment="Top"/>
+		</Container>
+	</HorizontalStack>
+	<Label Text="{../slider1.Value}"/>
+	<Widget Width="380" Height="5" Background="Blue"/>
+	<Slider Name="slider1" Orientation="Horizontal" Width="400" Height="30" Background="Jet" Foreground="LightGrey" Margin="0" Inverted="false"> 
+		<Template>
+			<Container Background="{./Background}" CornerRadius="{./CornerRadius}" Margin="10">
+				<Widget Name="Cursor" Background="{./Foreground}" CornerRadius="{./CornerRadius}" />
+			</Container>
+		</Template>
+	</Slider>
+	<Slider Background="RoyalBlue" Height="50" Width="400" CursorSize="50"  Inverted="{../../inverted.IsChecked}">
+		<Template>
+			<Group Background="DarkGrey" >
+				<ColorGauge Height="50%" Background="Onyx" Value="{./Value}" Maximum="{./Maximum}" Minimum="{Minimum}" Orientation="{./Orientation}"
+					Inverted="{./Inverted}"/>
+				<Container Name="Cursor" Background="White" >
+					<Label Text="{./Value}" Foreground="Black"/>
+				</Container>
+			</Group>
+		</Template>	
+	</Slider>
+	<ColorPicker>
+		<Template>
+			<Border Background="{./Background}"	Foreground="{./Foreground}" Width="Stretched"
+					CornerRadius="{./CornerRadius}" BorderWidth="1">		
+				<VerticalStack Margin="2">
+					<Widget Width="30" Height="16" Background="{./CurrentColor}"/>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="R:"/>
+						<ColorSlider Name="cs" Component="Red" CurrentColor="{²./CurrentColor}"/>			
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="G:"/>
+						<ColorSlider Name="cs" Component="Green" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="B:"/>
+						<ColorSlider Name="cs" Component="Blue" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="A:"/>
+						<ColorSlider Name="cs" Component="Alpha" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="H:"/>
+						<ColorSlider Name="cs" Component="Hue" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="S:"/>
+						<ColorSlider Name="cs" Component="Saturation" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="V:"/>
+						<ColorSlider Name="cs" Component="Value" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+				</VerticalStack>			
+			</Border>
+		</Template>
+	</ColorPicker>
+</VerticalStack>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Divers/colorSlider2.crow b/Samples/common/ui/Interfaces/Divers/colorSlider2.crow
new file mode 100644
index 00000000..111ce06f
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Divers/colorSlider2.crow
@@ -0,0 +1,78 @@
+<VerticalStack Margin="50" Spacing="20" Background="DimGrey">
+	<Label Text="{../slider1.Value}"/>
+	<Slider Background="Onyx" Height="30" Width="400"  >
+		<Template>
+			<Group Background="{./Background}">
+				<ColorGauge Component="Red" Height="Stretched" Value="{./Value}" Maximum="{./Maximum}" Minimum="{Minimum}" Orientation="{./Orientation}" Margin="11"
+					Inverted="{./Inverted}"/>
+				<Border Name="Cursor" Foreground="White" CornerRadius="7" BorderWidth="2">
+					<Label Text="{./Value}" Foreground="WhiteSmoke"/>
+				</Border>
+			</Group>
+		</Template>	
+	</Slider>
+	<Slider Background="Onyx" Height="30" Width="400" CursorSize="20"  >
+		<Template>
+			<Group Background="{./Background}" ClipToClientRect="false">
+				<ColorGauge Component="Red" Height="Stretched" Value="{./Value}" Maximum="{./Maximum}" Minimum="{Minimum}" Orientation="{./Orientation}" Margin="10" ClipToClientRect="false"
+					Inverted="{./Inverted}"/>
+				<Shape Height="Stretched" Name="Cursor" Size="30,30" Path="M 0,30 L 15,0 L 30,30  Z G" StrokeWidth="1" ClipToClientRect="false" Scaled="false" />
+			</Group>
+		</Template>	
+	</Slider>
+	<ColorPicker>
+		<Template>
+			<Border Background="{./Background}"	Foreground="{./Foreground}" Width="Stretched"
+					CornerRadius="{./CornerRadius}" BorderWidth="1">		
+				<VerticalStack Margin="2">
+					<Widget Width="50" Height="30" CornerRadius="10" Background="{./CurrentColor}"/>
+					<Slider Background="Onyx" Height="Fit" Width="Stretched" Foreground="{²./CurrentColor}" Maximum="255" Value="{².cg.Value}">
+						<Template>
+							<Group Background="{./Background}">
+								<ColorGauge Name="cg" Component="Red" Height="Stretched" Value="{²./Value}" Maximum="{./Maximum}" Minimum="{Minimum}" Orientation="{./Orientation}" Margin="0" CurrentColor="{²./Foreground}"/>
+								<Border Name="Cursor" Foreground="White" CornerRadius="7" BorderWidth="2">
+									<Label Text="{./Value}" Foreground="WhiteSmoke"/>
+								</Border>
+							</Group>
+						</Template>	
+					</Slider>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="R:"/>
+						<ColorSlider Name="cs" Component="Red" CurrentColor="{²./CurrentColor}"/>			
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="G:"/>
+						<ColorSlider Name="cs" Component="Green" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="B:"/>
+						<ColorSlider Name="cs" Component="Blue" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="A:"/>
+						<ColorSlider Name="cs" Component="Alpha" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="H:"/>
+						<ColorSlider Name="cs" Component="Hue" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="S:"/>
+						<ColorSlider Name="cs" Component="Saturation" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+					<HorizontalStack Height="Fit">
+						<Label Style="labColor" Text="V:"/>
+						<ColorSlider Name="cs" Component="Value" CurrentColor="{²./CurrentColor}"/>
+						<Label Style="labColorV" Text="{../cs.CurrentValue}" />
+					</HorizontalStack>
+				</VerticalStack>			
+			</Border>
+		</Template>
+	</ColorPicker>
+</VerticalStack>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Divers/colorSlider3.crow b/Samples/common/ui/Interfaces/Divers/colorSlider3.crow
new file mode 100644
index 00000000..4236b929
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Divers/colorSlider3.crow
@@ -0,0 +1,47 @@
+<VerticalStack Margin="50" Spacing="20" Background="Black">
+	<ColorPicker>
+		<Template>
+<Border Background="{./Background}"	Foreground="{./Foreground}" Width="Stretched"
+		CornerRadius="{./CornerRadius}" BorderWidth="1">		
+	<VerticalStack Margin="2">
+		<Widget Width="30" Height="16" Background="{./CurrentColor}"/>
+		<HorizontalStack Height="Fit">
+			<Label Style="labColor" Text="R:"/>
+			<ColorSlider Name="cs" Component="Red" CurrentColor="{./CurrentColor}" Value="{²./Red}"/>			
+			<Label Style="labColorV" Text="{../cs.Value}" />
+		</HorizontalStack>
+		<HorizontalStack Height="Fit">
+			<Label Style="labColor" Text="G:"/>
+			<ColorSlider Name="cs" Component="Green" CurrentColor="{./CurrentColor}" Value="{²./Green}"/>
+			<Label Style="labColorV" Text="{../cs.Value}" />
+		</HorizontalStack>
+		<HorizontalStack Height="Fit">
+			<Label Style="labColor" Text="B:"/>
+			<ColorSlider Name="cs" Component="Blue" CurrentColor="{./CurrentColor}" Value="{²./Blue}"/>
+			<Label Style="labColorV" Text="{../cs.Value}" />
+		</HorizontalStack>
+		<HorizontalStack Height="Fit">
+			<Label Style="labColor" Text="A:"/>
+			<ColorSlider Name="cs" Component="Alpha" CurrentColor="{./CurrentColor}" Value="{²./Alpha}"/>
+			<Label Style="labColorV" Text="{../cs.Value}" />
+		</HorizontalStack>
+		<HorizontalStack Height="Fit">
+			<Label Style="labColor" Text="H:"/>
+			<ColorSlider Name="cs" Component="Hue" CurrentColor="{./CurrentColor}" Value="{²./Hue}"/>
+			<Label Style="labColorV" Text="{../cs.Value}" />
+		</HorizontalStack>
+		<HorizontalStack Height="Fit">
+			<Label Style="labColor" Text="S:"/>
+			<ColorSlider Name="cs" Component="Saturation" CurrentColor="{./CurrentColor}" Value="{²./Saturation}"/>
+			<Label Style="labColorV" Text="{../cs.Value}" />
+		</HorizontalStack>
+		<HorizontalStack Height="Fit">
+			<Label Style="labColor" Text="V:"/>
+			<ColorSlider Name="cs" Component="Value" CurrentColor="{./CurrentColor}" Value="{²./Value}"/>
+			<Label Style="labColorV" Text="{../cs.Value}" />
+		</HorizontalStack>
+	</VerticalStack>			
+</Border>
+		</Template>
+	</ColorPicker>
+</VerticalStack>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Divers/colorSlider4.crow b/Samples/common/ui/Interfaces/Divers/colorSlider4.crow
new file mode 100644
index 00000000..95463636
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Divers/colorSlider4.crow
@@ -0,0 +1,13 @@
+<ColorSlider Width="400" Component="Red" Background="Grey" Height="34" CursorSize="24" >
+<Template>
+	<Group Background="{./Background}" >
+		<ColorGauge Component="{./Component}" CurrentColor="{./CurrentColor}" Orientation="{./Orientation}" Margin="10" Height="Stretched" CornerRadius="10"/>
+		<Border Name="Cursor" Foreground="White" CornerRadius="15" BorderWidth="2">
+			<Group Fit="true">
+				<Label Left="2" Top="2" Text="{./Value}" Foreground="Black" Font="mono bold, 10"/>
+				<Label Text="{./Value}" Foreground="WhiteSmoke" Font="mono bold, 10"/>
+			</Group>
+		</Border>
+	</Group>
+</Template>
+</ColorSlider>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Divers/image.crow b/Samples/common/ui/Interfaces/Divers/image.crow
new file mode 100644
index 00000000..829507ac
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Divers/image.crow
@@ -0,0 +1,2 @@
+<?xml version="1.0"?>
+<Image Path="#Crow.Icons.file.svg" Width="16" Height="16"/>
diff --git a/Samples/common/ui/Interfaces/Divers/observableList.crow b/Samples/common/ui/Interfaces/Divers/observableList.crow
index 9caa0b43..6d568820 100644
--- a/Samples/common/ui/Interfaces/Divers/observableList.crow
+++ b/Samples/common/ui/Interfaces/Divers/observableList.crow
@@ -4,8 +4,9 @@
 	<HorizontalStack Height="Fit">
 	<Button Command="{CMDObsListAdd}" />
 	<Button Command="{CMDObsListRemove}" IsEnabled="{../lb.SelectionIsEmpty}" />
+	<Button Command="{CMDObsListRemove2}"/>
 	</HorizontalStack>
-	<ListBox Name="lb" Data="{ObservableTestList}" >
+	<ListBox Name="lb" Data="{ObservableTestList}" SelectedItem="{²ObservableTestListSelectedItem}" >
 		<Template>
 			<Border Style="ControlBorder" MinimumSize="10,10" Background="{./Background}" CornerRadius="{./CornerRadius}">
 				<Scroller  Name="scroller1" >
diff --git a/Samples/common/ui/Interfaces/Divers/testShape.crow b/Samples/common/ui/Interfaces/Divers/testShape.crow
index 14af0f21..14df5bfc 100644
--- a/Samples/common/ui/Interfaces/Divers/testShape.crow
+++ b/Samples/common/ui/Interfaces/Divers/testShape.crow
@@ -1,5 +1,10 @@
 <?xml version="1.0"?>
 <VerticalStack>
-	<TextBox Text="{²../shape.Path}"/>	
-	<Shape Margin="0" Width="400" Height="400" Name="shape" Foreground="Blue" Background="DimGrey" Size="100,100" Path="M 5.5,0.5 L 10.5,10.5 L 0.5,10.5 Z G"/>			
+	<TextBox Text="{²../shape.Path}"/>
+	<Container Background="Navy" Height="100" Width="100">	
+		<Shape  Height="20" Width="10" Name="shape" Foreground="White" Size="11,11" Path="M 5.5,1.5 L 9.5,3.5 L 9.5,9.5 L 1.5,9.5 L 1.5,3.5 Z G" Scaled="true" KeepProportions="false"  StrokeWidth="2"/>
+	</Container>
+	<Container Background="Navy" Height="100" Width="100">	
+		<Shape  Height="Fit" Width="Fit" Foreground="White"  Size="11,11" Path="{²../../shape.Path}" Scaled="false" KeepProportions="false"  StrokeWidth="2"/>
+	</Container>
 </VerticalStack>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Divers/testSlider.crow b/Samples/common/ui/Interfaces/Divers/testSlider.crow
index d7050000..8b6e57af 100644
--- a/Samples/common/ui/Interfaces/Divers/testSlider.crow
+++ b/Samples/common/ui/Interfaces/Divers/testSlider.crow
@@ -1,6 +1,5 @@
 <?xml version="1.0"?>
 <HorizontalStack Margin="50">
-	<CheckBox Name="inverted" Background="DarkSlateGrey" Caption="Inverted" Width="Fit" Foreground="Black"/>
 
 	<VerticalStack Spacing="10" Width="50%">
 		<Slider Background="DarkGrey" Height="20" Width="Stretched" Inverted="{../../inverted.IsChecked}"/>
@@ -31,6 +30,8 @@
 		
 		<Slider ClipToClientRect='false' Background="DarkGrey" CursorSize="50" Height="12" CornerRadius="5" Inverted="{../../inverted.IsChecked}" />
 		<Slider ClipToClientRect='false' CacheEnabled='false' Background="Transparent" CursorSize="20" Height="12" Width="Stretched" Inverted="{../../inverted.IsChecked}" />
+
+		<CheckBox Name="inverted" Background="DarkSlateGrey" Caption="Inverted" Width="Fit" Foreground="Black"/>
 	</VerticalStack>
 	
 	<HorizontalStack Spacing="10" >
diff --git a/Samples/common/ui/Interfaces/Experimental/table.crow b/Samples/common/ui/Interfaces/Experimental/table.crow
index 53222664..c1e8f483 100644
--- a/Samples/common/ui/Interfaces/Experimental/table.crow
+++ b/Samples/common/ui/Interfaces/Experimental/table.crow
@@ -1,11 +1,11 @@
 <Table Columns="test,Fit;test,Fit;test,Stretched;test,Fit" Margin="10" 
-	ColumnSpacing="5" Spacing="5" 
+	ColumnSpacing="15" Spacing="5" Height="Fit"
 	Foreground="Grey"
-	RowsMargin="0"
-	BorderLineWidth="0"
-	VerticalLineWidth="1"
+	RowsMargin="5"
+	BorderLineWidth="1"
+	VerticalLineWidth="2"
 	HorizontalLineWidth="1"
-	Background="DarkGrey" >   	
+	Background="Jet" >   	
 	<TableRow Height="Fit" >
 		<Label Text="firstlkjdqsfmlkjqsl" Background="1,0,0,0.5" HorizontalAlignment="Left" Height="Stretched"/>
 		<Label Text="second" Background="0,1,0,0.5" Height="Stretched"/>
diff --git a/Samples/common/ui/Interfaces/TemplatedControl/testScrollbar2.crow b/Samples/common/ui/Interfaces/TemplatedControl/testScrollbar2.crow
new file mode 100644
index 00000000..6a7a7c91
--- /dev/null
+++ b/Samples/common/ui/Interfaces/TemplatedControl/testScrollbar2.crow
@@ -0,0 +1,20 @@
+<HorizontalStack>
+	<Container Width="50%">
+		<Label Text="{../../sb.Value}" />
+	</Container>
+	<ScrollBar Name="sb" Maximum="200" CursorRatio="0.3" Width="16" LargeIncrement="20" SmallIncrement="1">
+		<Template>
+			<Border BorderWidth="1" Foreground="{./Foreground}" Background="{./Background}">
+				<GenericStack Orientation="{./Orientation}" Spacing="0">
+					<Shape Style="ArrowBut" MouseDown="./OnDecrease" Height="{./Width}" Margin="0"
+			    		Size="10,10" Path="M 4.5,0.5 L 9.5,9.5 L 0.5,9.5 Z F"/>
+					<Container Margin="1">
+						<Widget Style="ScrollBarCursor" Name="Cursor" CornerRadius="{./CornerRadius}"/>
+					</Container>
+					<Shape Style="ArrowBut" MouseDown="./OnIncrease" Height="{./Width}" Margin="0"
+						Size="10,10" Path="M 0.5,0.5 L 9.5,0.5 L 4.5,9.5 Z F"/>
+				</GenericStack>
+			</Border>
+		</Template>
+	</ScrollBar>
+</HorizontalStack>
\ No newline at end of file
-- 
2.47.3