Test Control in Simple Sample

SimpleSample/MainWindow.xaml

@@ -22,6 +22,7 @@
 				<local:ToolBoxItem Type="{x:Type Rectangle}" />
 				<local:ToolBoxItem Type="{x:Type Border}" />
 				<local:ToolBoxItem Type="{x:Type CheckBox}" />
+				<local:ToolBoxItem Type="{x:Type local:TestControl}" />
 			</x:Array>
 		</ResourceDictionary>
 	</Window.Resources>

SimpleSample/SimpleSample.csproj

@@ -66,6 +66,7 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </ApplicationDefinition>
+    <Compile Include="TestControl.cs" />
     <Compile Include="ToolboxItem.cs" />
     <Page Include="MainWindow.xaml">
       <Generator>MSBuild:Compile</Generator>

SimpleSample/TestControl.cs

@@ -0,0 +1,18 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+
+namespace SimpleSample
+{
+	public class TestControl : Control
+	{
+		public Color TestColor
+		{
+			get { return (Color)GetValue(TestColorProperty); }
+			set { SetValue(TestColorProperty, value); }
+		}
+
+		public static readonly DependencyProperty TestColorProperty =
+			DependencyProperty.Register("TestColor", typeof(Color), typeof(TestControl), new PropertyMetadata());
+	}
+}