Draw Line extensions also work in Grid

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/DrawLineExtension.cs

@@ -29,7 +29,8 @@ using ICSharpCode.WpfDesign.Designer.Services;
 namespace ICSharpCode.WpfDesign.Designer.Extensions
 {
 	[ExtensionFor(typeof(Canvas))]
-	public class CanvasDrawLineBehavior : BehaviorExtension, IDrawItemExtension
+	[ExtensionFor(typeof(Grid))]
+	public class DrawLineExtension : BehaviorExtension, IDrawItemExtension
 	{
 		private ChangeGroup changeGroup;
 

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/DrawPolyLineExtension.cs

@@ -29,7 +29,8 @@ using ICSharpCode.WpfDesign.Designer.Services;
 namespace ICSharpCode.WpfDesign.Designer.Extensions
 {
 	[ExtensionFor(typeof(Canvas))]
-	public class CanvasDrawPolyLineBehavior : BehaviorExtension, IDrawItemExtension
+	[ExtensionFor(typeof(Grid))]
+	public class DrawPolyLineExtension : BehaviorExtension, IDrawItemExtension
 	{
 		private ChangeGroup changeGroup;
 

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/WpfDesign.Designer.csproj

@@ -86,8 +86,8 @@
     <Compile Include="ArrangeDirection.cs" />
     <Compile Include="Controls\RenderTransformOriginThumb.cs" />
     <Compile Include="Extensions\BorderForImageControl.cs" />
-    <Compile Include="Extensions\CanvasDrawLineBehavior.cs" />
-    <Compile Include="Extensions\CanvasDrawPolyLineBehavior.cs" />
+    <Compile Include="Extensions\DrawLineExtension.cs" />
+    <Compile Include="Extensions\DrawPolyLineExtension.cs" />
     <Compile Include="Extensions\DefaultCommandsContextMenu.xaml.cs">
       <DependentUpon>DefaultCommandsContextMenu.xaml</DependentUpon>
       <SubType>Code</SubType>