Set Canvas.Left+Canvas.Top attached properties when resizing a control inside a Canvas.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2413 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/WpfDesign/StandaloneDesigner/Window1.xaml

@@ -25,7 +25,9 @@
         Title="WindowTitle"
         BorderThickness="10" Width="400" Height="300">
 	<StackPanel>
-		<Canvas Height="50"></Canvas>
+		<Canvas Height="50">
+			<Button Width="60" Height="25.96">CB</Button>
+		</Canvas>
 		<Button>Button 1</Button>
 		<Button>Button 2</Button>
 		<TabControl Width="300" MinHeight="100">

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Controls/AdornerLayer.cs

@@ -64,7 +64,7 @@ namespace ICSharpCode.WpfDesign.Designer.Controls
 			
 			public void CopyTo(AdornerPanel[] array, int arrayIndex)
 			{
-				Linq.ToArray(this).CopyTo(array, arrayIndex);
+				Func.ToArray(this).CopyTo(array, arrayIndex);
 			}
 			
 			public bool Remove(AdornerPanel item)

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Controls/PropertyEditor/PropertyEditor.cs

@@ -99,7 +99,7 @@ namespace ICSharpCode.WpfDesign.Designer
 			
 			if (useCategories) {
 				List<PropertyEditorCategoryView> categories = new List<PropertyEditorCategoryView>();
-				foreach (IPropertyEditorDataProperty p in Linq.Sort(dataSource.Properties, ComparePropertyNames)) {
+				foreach (IPropertyEditorDataProperty p in Func.Sort(dataSource.Properties, ComparePropertyNames)) {
 					if (p.Name == "Name") {
 						continue;
 					}
@@ -117,7 +117,7 @@ namespace ICSharpCode.WpfDesign.Designer
 				}
 			} else {
 				PropertyGridView grid = new PropertyGridView();
-				foreach (IPropertyEditorDataProperty p in Linq.Sort(dataSource.Properties, ComparePropertyNames)) {
+				foreach (IPropertyEditorDataProperty p in Func.Sort(dataSource.Properties, ComparePropertyNames)) {
 					if (p.Name == "Name") {
 						continue;
 					}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/DesignSurface.cs

@@ -61,7 +61,10 @@ namespace ICSharpCode.WpfDesign.Designer
 		
 		void OnUndoExecuted(object sender, ExecutedRoutedEventArgs e)
 		{
+			IUndoAction action = Func.First(_undoService.UndoActions);
+			Debug.WriteLine("Undo " + action.Title);
 			_undoService.Undo();
+			_designContext.Services.Selection.SetSelectedComponents(action.AffectedElements);
 		}
 		
 		void OnUndoCanExecute(object sender, CanExecuteRoutedEventArgs e)
@@ -71,7 +74,10 @@ namespace ICSharpCode.WpfDesign.Designer
 		
 		void OnRedoExecuted(object sender, ExecutedRoutedEventArgs e)
 		{
+			IUndoAction action = Func.First(_undoService.RedoActions);
+			Debug.WriteLine("Redo " + action.Title);
 			_undoService.Redo();
+			_designContext.Services.Selection.SetSelectedComponents(action.AffectedElements);
 		}
 		
 		void OnRedoCanExecute(object sender, CanExecuteRoutedEventArgs e)

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

@@ -0,0 +1,64 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using ICSharpCode.WpfDesign.Extensions;
+using System.Windows;
+using System.Windows.Controls;
+using ICSharpCode.WpfDesign.Adorners;
+
+namespace ICSharpCode.WpfDesign.Designer.Extensions
+{
+	/// <summary>
+	/// Provides <see cref="IChildResizeSupport"/> behavior for <see cref="Canvas"/>.
+	/// </summary>
+	[ExtensionFor(typeof(Canvas))]
+	public sealed class CanvasChildResizeSupport : BehaviorExtension, IChildResizeSupport
+	{
+		/// <inherits/>
+		protected override void OnInitialized()
+		{
+			base.OnInitialized();
+			this.ExtendedItem.AddBehavior(typeof(IChildResizeSupport), this);
+		}
+		
+		/// <inherits/>
+		public bool CanResizeChild(DesignItem child)
+		{
+			return DefaultChildResizeSupport.Instance.CanResizeChild(child);
+		}
+		
+		/// <inherits/>
+		public Placement GetPlacement(DesignItem child, double horizontalChange, double verticalChange, HorizontalAlignment horizontal, VerticalAlignment vertical)
+		{
+			return RootElementResizeSupport.Instance.GetPlacement(child, horizontalChange, verticalChange, horizontal, vertical);
+		}
+		
+		/// <inherits/>
+		public void Resize(DesignItem childItem, double horizontalChange, double verticalChange, HorizontalAlignment horizontal, VerticalAlignment vertical)
+		{
+			RelativePlacement p = (RelativePlacement)GetPlacement(childItem, horizontalChange, verticalChange, horizontal, vertical);
+			DefaultChildResizeSupport.Resize(childItem, p);
+			
+			bool marginIsSet = childItem.Properties[FrameworkElement.MarginProperty].IsSet;
+			
+			DesignItemProperty left = childItem.Properties.GetAttachedProperty(Canvas.LeftProperty);
+			DesignItemProperty top = childItem.Properties.GetAttachedProperty(Canvas.TopProperty);
+			
+			if (left.IsSet) {
+				left.SetValue( p.XOffset + (double)left.ValueOnInstance);
+			} else if (p.XOffset != 0 && !marginIsSet) {
+				left.SetValue( p.XOffset );
+			}
+			if (top.IsSet) {
+				top.SetValue( p.YOffset + (double)top.ValueOnInstance);
+			} else if (p.YOffset != 0 && !marginIsSet) {
+				top.SetValue( p.YOffset );
+			}
+		}
+	}
+}

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

@@ -66,10 +66,10 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 		public void Resize(DesignItem childItem, double horizontalChange, double verticalChange, HorizontalAlignment horizontal, VerticalAlignment vertical)
 		{
 			RelativePlacement p = (RelativePlacement)GetPlacement(childItem, horizontalChange, verticalChange, horizontal, vertical);
-			Resize(childItem, p, horizontal, vertical);
+			Resize(childItem, p);
 		}
 		
-		static void Resize(DesignItem childItem, RelativePlacement p, HorizontalAlignment horizontal, VerticalAlignment vertical)
+		internal static void Resize(DesignItem childItem, RelativePlacement p)
 		{
 			DesignItemProperty margin = childItem.Properties[FrameworkElement.MarginProperty];
 			if (margin.IsSet) {

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

@@ -20,7 +20,7 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 	/// setting the Brush to null actually restores the transparent brush.
 	/// </summary>
 	[ExtensionFor(typeof(Panel))]
-	public class PanelInstanceFactory : CustomInstanceFactory
+	public sealed class PanelInstanceFactory : CustomInstanceFactory
 	{
 		Brush _transparentBrush = new SolidColorBrush(Colors.Transparent);
 		
@@ -92,7 +92,7 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 				PropertyDescriptor property = properties[_parent._propertyName];
 				if (property != null) {
 					if ((properties as System.Collections.IDictionary).IsReadOnly) {
-						properties = new PropertyDescriptorCollection(Linq.ToArray(properties));
+						properties = new PropertyDescriptorCollection(Func.ToArray(properties));
 					}
 					properties.Remove(property);
 					properties.Add(new ShadowPropertyDescriptor(_parent, property));

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

@@ -19,7 +19,7 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 	/// Draws a dotted line around selected UIElements.
 	/// </summary>
 	[ExtensionFor(typeof(UIElement))]
-	public class SelectedElementRectangleExtension : SelectionAdornerProvider
+	public sealed class SelectedElementRectangleExtension : SelectionAdornerProvider
 	{
 		/// <summary>
 		/// Creates a new SelectedElementRectangleExtension instance.

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Func.cs

@@ -12,7 +12,7 @@ using System.Collections.Generic;
 namespace ICSharpCode.WpfDesign.Designer
 {
 	// Static helpers that should become extension methods in the future
-	static class Linq
+	static class Func
 	{
 		public static T[] ToArray<T>(ICollection<T> collection)
 		{
@@ -37,5 +37,18 @@ namespace ICSharpCode.WpfDesign.Designer
 			Array.Sort(arr, comparison);
 			return arr;
 		}
+		
+		/// <summary>
+		/// Returns the first element from <paramref name="input"/>.
+		/// </summary>
+		public static T First<T>(IEnumerable<T> input)
+		{
+			if (input == null)
+				throw new ArgumentNullException("input");
+			foreach (T item in input) {
+				return item;
+			}
+			throw new ArgumentException("input must not be an empty collection", "input");
+		}
 	}
 }

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Services/UndoService.cs

@@ -12,11 +12,27 @@ using System.Diagnostics;
 namespace ICSharpCode.WpfDesign.Designer.Services
 {
 	#region ITransactionItem
-	interface ITransactionItem
+	interface ITransactionItem : IUndoAction
 	{
 		void Do();
 		void Undo();
+	}
+	#endregion
 	
+	#region IUndoAction
+	/// <summary>
+	/// Describes an action available on the undo or redo stack.
+	/// </summary>
+	public interface IUndoAction
+	{
+		/// <summary>
+		/// The list of elements affected by the action.
+		/// </summary>
+		ICollection<DesignItem> AffectedElements { get; }
+		
+		/// <summary>
+		/// The title of the action.
+		/// </summary>
 		string Title { get; }
 	}
 	#endregion
@@ -27,6 +43,17 @@ namespace ICSharpCode.WpfDesign.Designer.Services
 	/// </summary>
 	sealed class UndoTransaction : ChangeGroup, ITransactionItem
 	{
+		readonly ICollection<DesignItem> affectedElements;
+		
+		internal UndoTransaction(ICollection<DesignItem> affectedElements)
+		{
+			this.affectedElements = affectedElements;
+		}
+		
+		public ICollection<DesignItem> AffectedElements {
+			get { return affectedElements; }
+		}
+		
 		public enum TransactionState
 		{
 			Open,
@@ -145,9 +172,9 @@ namespace ICSharpCode.WpfDesign.Designer.Services
 		Stack<ITransactionItem> _undoStack = new Stack<ITransactionItem>();
 		Stack<ITransactionItem> _redoStack = new Stack<ITransactionItem>();
 		
-		internal UndoTransaction StartTransaction()
+		internal UndoTransaction StartTransaction(ICollection<DesignItem> affectedItems)
 		{
-			UndoTransaction t = new UndoTransaction();
+			UndoTransaction t = new UndoTransaction(affectedItems);
 			_transactionStack.Push(t);
 			t.Committed += TransactionFinished;
 			t.RolledBack += TransactionFinished;
@@ -219,25 +246,27 @@ namespace ICSharpCode.WpfDesign.Designer.Services
 		/// <summary>
 		/// Gets the list of names of the available actions on the undo stack.
 		/// </summary>
-		public IEnumerable<string> UndoActions {
+		public IEnumerable<IUndoAction> UndoActions {
 			get {
-				foreach (ITransactionItem item in _undoStack) {
-					yield return item.Title;
-				}
+				return GetActions(_undoStack);
 			}
 		}
 		
 		/// <summary>
 		/// Gets the list of names of the available actions on the undo stack.
 		/// </summary>
-		public IEnumerable<string> RedoActions {
+		public IEnumerable<IUndoAction> RedoActions {
 			get {
-				foreach (ITransactionItem item in _redoStack) {
-					yield return item.Title;
-				}
+				return GetActions(_redoStack);
 			}
 		}
 		
+		static IEnumerable<IUndoAction> GetActions(Stack<ITransactionItem> stack)
+		{
+			foreach (ITransactionItem item in stack)
+				yield return item;
+		}
+		
 		/// <summary>
 		/// Gets if there are redo actions available.
 		/// </summary>

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

@@ -70,13 +70,14 @@
     <Compile Include="Controls\TypeEditors\BrushEditor.cs" />
     <Compile Include="Controls\WindowClone.cs" />
     <Compile Include="DesignPanel.cs" />
+    <Compile Include="Extensions\CanvasChildResizeSupport.cs" />
     <Compile Include="Extensions\DefaultChildResizeSupport.cs" />
     <Compile Include="Extensions\PanelInstanceFactory.cs" />
     <Compile Include="Extensions\SelectedElementRectangleExtension.cs" />
     <Compile Include="Extensions\TabItemClickableExtension.cs" />
     <Compile Include="Extensions\TopLeftContainerDragHandle.cs" />
     <Compile Include="Extensions\ResizeThumbExtension.cs" />
-    <Compile Include="Linq.cs" />
+    <Compile Include="Func.cs" />
     <Compile Include="ServiceRequiredException.cs" />
     <Compile Include="Services\ErrorService.cs" />
     <Compile Include="Services\SelectionService.cs" />

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Xaml/XamlComponentService.cs

@@ -108,7 +108,7 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 		/// </summary>
 		internal void UnregisterAllComponents()
 		{
-			Array.ForEach(Linq.ToArray(_sites.Values), UnregisterComponentFromDesigner);
+			Array.ForEach(Func.ToArray(_sites.Values), UnregisterComponentFromDesigner);
 			_sites.Clear();
 		}
 	}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Xaml/XamlDesignItem.cs

@@ -96,7 +96,7 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 			UndoService undoService = this.Services.GetService<UndoService>();
 			if (undoService == null)
 				throw new ServiceRequiredException(typeof(UndoService));
-			UndoTransaction g = undoService.StartTransaction();
+			UndoTransaction g = undoService.StartTransaction(new DesignItem[] { this });
 			g.Title = changeGroupTitle;
 			return g;
 		}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Xaml/XamlModelProperty.cs

@@ -248,6 +248,12 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 				else
 					property.ResetInternal();
 			}
+			
+			public System.Collections.Generic.ICollection<DesignItem> AffectedElements {
+				get {
+					return new DesignItem[] { property._designItem };
+				}
+			}
 		}
 	}
 }

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Xaml/XamlModelPropertyCollection.cs

@@ -20,17 +20,15 @@ namespace ICSharpCode.WpfDesign.Designer.Xaml
 			this._item = item;
 		}
 		
-		public override DesignItemProperty this[DependencyProperty dependencyProperty] {
-			get {
-				//return new XamlModelProperty(_item, dependencyProperty);
-				return this[dependencyProperty.Name];
-			}
+		
+		public override DesignItemProperty GetProperty(string name)
+		{
+			return new XamlModelProperty(_item, _item.XamlObject.FindOrCreateProperty(name));
 		}
 		
-		public override DesignItemProperty this[string name] {
-			get {
-				return new XamlModelProperty(_item, _item.XamlObject.FindOrCreateProperty(name));
-			}
+		public override DesignItemProperty GetAttachedProperty(Type ownerType, string name)
+		{
+			return new XamlModelProperty(_item, _item.XamlObject.FindOrCreateAttachedProperty(ownerType, name));
 		}
 		
 		public override System.Collections.Generic.IEnumerator<DesignItemProperty> GetEnumerator()

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Tests/ModelTests.cs

@@ -12,6 +12,7 @@ using System.Xml;
 using System.Diagnostics;
 using NUnit.Framework;
 using ICSharpCode.WpfDesign.Designer.Xaml;
+using ICSharpCode.WpfDesign.Designer.Services;
 
 namespace ICSharpCode.WpfDesign.Designer.Tests
 {
@@ -26,5 +27,53 @@ namespace ICSharpCode.WpfDesign.Designer.Tests
 			AssertCanvasDesignerOutput(@"<Button Width=""100"" />", button.Context);
 			AssertLog("");
 		}
+		
+		[Test]
+		public void UndoRedoTest()
+		{
+			DesignItem button = CreateCanvasContext("<Button/>");
+			UndoService s = button.Context.Services.GetService<UndoService>();
+			Assert.IsFalse(s.CanUndo);
+			Assert.IsFalse(s.CanRedo);
+			button.Properties["Width"].SetValue(100.0);
+			Assert.IsTrue(s.CanUndo);
+			Assert.IsFalse(s.CanRedo);
+			AssertCanvasDesignerOutput(@"<Button Width=""100"" />", button.Context);
+			s.Undo();
+			Assert.IsFalse(s.CanUndo);
+			Assert.IsTrue(s.CanRedo);
+			AssertCanvasDesignerOutput(@"<Button />", button.Context);
+			s.Redo();
+			Assert.IsTrue(s.CanUndo);
+			Assert.IsFalse(s.CanRedo);
+			AssertCanvasDesignerOutput(@"<Button Width=""100"" />", button.Context);
+			AssertLog("");
+		}
+		
+		[Test]
+		public void UndoRedoChangeGroupTest()
+		{
+			DesignItem button = CreateCanvasContext("<Button/>");
+			UndoService s = button.Context.Services.GetService<UndoService>();
+			Assert.IsFalse(s.CanUndo);
+			Assert.IsFalse(s.CanRedo);
+			using (ChangeGroup g = button.OpenGroup("Resize")) {
+				button.Properties["Width"].SetValue(100.0);
+				button.Properties["Height"].SetValue(200.0);
+				g.Commit();
+			}
+			Assert.IsTrue(s.CanUndo);
+			Assert.IsFalse(s.CanRedo);
+			AssertCanvasDesignerOutput(@"<Button Width=""100"" Height=""200"" />", button.Context);
+			s.Undo();
+			Assert.IsFalse(s.CanUndo);
+			Assert.IsTrue(s.CanRedo);
+			AssertCanvasDesignerOutput(@"<Button />", button.Context);
+			s.Redo();
+			Assert.IsTrue(s.CanUndo);
+			Assert.IsFalse(s.CanRedo);
+			AssertCanvasDesignerOutput(@"<Button Width=""100"" Height=""200"" />", button.Context);
+			AssertLog("");
+		}
 	}
 }

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Project/XamlObject.cs

@@ -99,7 +99,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 				throw new ArgumentNullException("propertyName");
 			
 			foreach (XamlProperty p in properties) {
-				if (p.PropertyName == propertyName)
+				if (!p.IsAttached && p.PropertyName == propertyName)
 					return p;
 			}
 			PropertyDescriptorCollection propertyDescriptors = TypeDescriptor.GetProperties(instance);
@@ -111,5 +111,28 @@ namespace ICSharpCode.WpfDesign.XamlDom
 			properties.Add(newProperty);
 			return newProperty;
 		}
+		
+		/// <summary>
+		/// Finds the specified property, or creates it if it doesn't exist.
+		/// </summary>
+		public XamlProperty FindOrCreateAttachedProperty(Type ownerType, string propertyName)
+		{
+			if (ownerType == null)
+				throw new ArgumentNullException("ownerType");
+			if (propertyName == null)
+				throw new ArgumentNullException("propertyName");
+			
+			foreach (XamlProperty p in properties) {
+				if (p.IsAttached && p.PropertyTargetType == ownerType && p.PropertyName == propertyName)
+					return p;
+			}
+			XamlPropertyInfo info = XamlParser.TryFindAttachedProperty(ownerType, propertyName);
+			if (info == null) {
+				throw new ArgumentException("The attached property '" + propertyName + "' doesn't exist on " + ownerType.FullName, "propertyName");
+			}
+			XamlProperty newProperty = new XamlProperty(this, info);
+			properties.Add(newProperty);
+			return newProperty;
+		}
 	}
 }

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Project/XamlParser.cs

@@ -281,7 +281,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 			return new XamlNormalPropertyInfo(propertyInfo);
 		}
 		
-		static XamlPropertyInfo TryFindAttachedProperty(Type elementType, string propertyName)
+		internal static XamlPropertyInfo TryFindAttachedProperty(Type elementType, string propertyName)
 		{
 			MethodInfo getMethod = elementType.GetMethod("Get" + propertyName, BindingFlags.Public | BindingFlags.Static);
 			MethodInfo setMethod = elementType.GetMethod("Set" + propertyName, BindingFlags.Public | BindingFlags.Static);

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Project/XamlProperty.cs

@@ -24,7 +24,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 		XamlPropertyValue propertyValue;
 		
 		List<XamlPropertyValue> collectionElements;
-		bool _isCollection;
+		bool isCollection;
 		
 		static readonly IList<XamlPropertyValue> emptyCollectionElementsArray = new XamlPropertyValue[0];
 		
@@ -39,7 +39,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 				propertyValue.ParentProperty = this;
 			} else {
 				if (propertyInfo.IsCollection) {
-					_isCollection = true;
+					isCollection = true;
 					collectionElements = new List<XamlPropertyValue>();
 				}
 			}
@@ -49,7 +49,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 		{
 			this.parentObject = parentObject;
 			this.propertyInfo = propertyInfo;
-			_isCollection = propertyInfo.IsCollection;
+			isCollection = propertyInfo.IsCollection;
 		}
 		
 		/// <summary>
@@ -73,6 +73,13 @@ namespace ICSharpCode.WpfDesign.XamlDom
 			get { return propertyInfo.TargetType; }
 		}
 		
+		/// <summary>
+		/// Gets if this property is an attached property.
+		/// </summary>
+		public bool IsAttached {
+			get { return propertyInfo.IsAttached; }
+		}
+		
 		/// <summary>
 		/// Gets the return type of the property.
 		/// </summary>
@@ -145,7 +152,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 		/// Gets if the property is a collection property.
 		/// </summary>
 		public bool IsCollection {
-			get { return _isCollection; }
+			get { return isCollection; }
 		}
 		
 		/// <summary>
@@ -370,8 +377,19 @@ namespace ICSharpCode.WpfDesign.XamlDom
 			if (attribute != null) {
 				property.ParentObject.XmlElement.Attributes.Append(attribute);
 			} else if (textValue != null) {
-				property.ParentObject.XmlElement.SetAttribute(property.PropertyName, textValue);
-				attribute = property.ParentObject.XmlElement.GetAttributeNode(property.PropertyName);
+				string ns = property.ParentObject.OwnerDocument.GetNamespaceFor(property.PropertyTargetType);
+				string name;
+				if (property.IsAttached)
+					name = property.PropertyTargetType.Name + "." + property.PropertyName;
+				else
+					name = property.PropertyName;
+				if (property.ParentObject.XmlElement.GetPrefixOfNamespace(ns) == "") {
+					property.ParentObject.XmlElement.SetAttribute(name, textValue);
+					attribute = property.ParentObject.XmlElement.GetAttributeNode(name);
+				} else {
+					property.ParentObject.XmlElement.SetAttribute(name, ns, textValue);
+					attribute = property.ParentObject.XmlElement.GetAttributeNode(name, ns);
+				}
 				textValue = null;
 			} else {
 				property.AddChildNodeToProperty(textNode);

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Tests/ExampleService.cs

@@ -0,0 +1,39 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Windows;
+
+namespace ICSharpCode.WpfDesign.XamlDom.Tests
+{
+	/// <summary>
+	/// Provides an example attached property.
+	/// </summary>
+	public static class ExampleService
+	{
+		public static readonly DependencyProperty ExampleProperty = DependencyProperty.RegisterAttached(
+			"Example", typeof(string), typeof(ExampleService)
+		);
+		
+		public static string GetExample(DependencyObject element)
+		{
+			TestHelperLog.Log("ExampleService.GetExample");
+			return (string)element.GetValue(ExampleProperty);
+		}
+		
+		public static void SetExample(DependencyObject element, string value)
+		{
+			TestHelperLog.Log("ExampleService.SetExample");
+			element.SetValue(ExampleProperty, value);
+		}
+	}
+	
+	public class ExampleDependencyObject : DependencyObject
+	{
+		
+	}
+}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Tests/SimpleLoadTests.cs

@@ -180,5 +180,18 @@ namespace ICSharpCode.WpfDesign.XamlDom.Tests
 </ExampleClassContainer>
 			");
 		}
+		
+		[Test]
+		public void ExampleServiceTest()
+		{
+			TestLoading(@"
+<t:ExampleDependencyObject
+  xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
+  xmlns:t=""clr-namespace:ICSharpCode.WpfDesign.XamlDom.Tests;assembly=ICSharpCode.WpfDesign.XamlDom.Tests""
+  xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
+  t:ExampleService.Example=""attached value"">
+</t:ExampleDependencyObject>
+			");
+		}
 	}
 }

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.XamlDom/Tests/WpfDesign.XamlDom.Tests.csproj

@@ -58,6 +58,7 @@
     <Compile Include="AssemblyInfo.cs" />
     <Compile Include="ExampleClass.cs" />
     <Compile Include="ExampleClassContainer.cs" />
+    <Compile Include="ExampleService.cs" />
     <Compile Include="SamplesTests.cs" />
     <Compile Include="SimpleLoadTests.cs" />
     <Compile Include="SystemTypesLoadTest.cs" />

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/DesignItemProperty.cs

@@ -103,14 +103,49 @@ namespace ICSharpCode.WpfDesign
 	public abstract class DesignItemPropertyCollection : IEnumerable<DesignItemProperty>
 	{
 		/// <summary>
-		/// Gets the design item property representing the specified dependency property.
+		/// Gets the property with the specified name.
 		/// </summary>
-		public abstract DesignItemProperty this[DependencyProperty dependencyProperty] { get; }
+		public DesignItemProperty this[string name] {
+			get { return GetProperty(name); }
+		}
 		
 		/// <summary>
 		/// Gets the property with the specified name.
 		/// </summary>
-		public abstract DesignItemProperty this[string name] { get; }
+		public DesignItemProperty this[DependencyProperty dependencyProperty] {
+			get { return GetProperty(dependencyProperty); }
+		}
+		
+		/// <summary>
+		/// Gets the design item property with the specified name.
+		/// </summary>
+		public abstract DesignItemProperty GetProperty(string name);
+		
+		/// <summary>
+		/// Gets the attached property on the specified owner with the specified name.
+		/// </summary>
+		public abstract DesignItemProperty GetAttachedProperty(Type ownerType, string name);
+		
+		/// <summary>
+		/// Gets the design item property representing the specified dependency property.
+		/// The property must not be an attached property.
+		/// </summary>
+		public DesignItemProperty GetProperty(DependencyProperty dependencyProperty)
+		{
+			if (dependencyProperty == null)
+				throw new ArgumentNullException("dependencyProperty");
+			return GetProperty(dependencyProperty.Name);
+		}
+		
+		/// <summary>
+		/// Gets the design item property representing the specified attached dependency property.
+		/// </summary>
+		public DesignItemProperty GetAttachedProperty(DependencyProperty dependencyProperty)
+		{
+			if (dependencyProperty == null)
+				throw new ArgumentNullException("dependencyProperty");
+			return GetAttachedProperty(dependencyProperty.OwnerType, dependencyProperty.Name);
+		}
 		
 		/// <summary>
 		/// Gets an enumerator to enumerate the properties that have a non-default value.

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/Extensions/BehaviorExtension.cs

@@ -14,7 +14,7 @@ namespace ICSharpCode.WpfDesign.Extensions
 	/// These extensions are always loaded. They must have an parameter-less constructor.
 	/// </summary>
 	[ExtensionServer(typeof(DefaultExtensionServer.Permanent))]
-	public abstract class BehaviorExtension : DefaultExtension
+	public class BehaviorExtension : DefaultExtension
 	{
 		
 	}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/Extensions/ExtensionManager.cs

@@ -123,7 +123,7 @@ namespace ICSharpCode.WpfDesign.Extensions
 			foreach (ExtensionEntry entry in GetExtensionEntries(item)) {
 				servers.Add(entry.Server);
 			}
-			return Linq.ToArray(servers);
+			return Func.ToArray(servers);
 		}
 		
 		internal IEnumerable<Extension> CreateExtensions(ExtensionServer server, DesignItem item)

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/Func.cs

@@ -11,7 +11,7 @@ using System.Collections.Generic;
 namespace ICSharpCode.WpfDesign
 {
 	// Static helpers that should become extension methods in the future
-	static class Linq
+	static class Func
 	{
 		public static T[] ToArray<T>(ICollection<T> collection) where T : class
 		{

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/PropertyEditor/DesignItemDataSource.cs

@@ -39,7 +39,7 @@ namespace ICSharpCode.WpfDesign.PropertyEditor
 			}
 			designItemProperties.AddRange(item.Properties);
 			
-			foreach (DesignItemProperty p in Linq.Distinct(designItemProperties)) {
+			foreach (DesignItemProperty p in Func.Distinct(designItemProperties)) {
 				properties.Add(new DesignItemDataProperty(this, p));
 			}
 		}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/PropertyEditor/MultiSelectionDataSource.cs

@@ -13,7 +13,7 @@ namespace ICSharpCode.WpfDesign.PropertyEditor
 	/// <summary>
 	/// Implements IPropertyEditorDataSource by combining the information from multiple data sources.
 	/// </summary>
-	public class MultiSelectionDataSource : IPropertyEditorDataSource
+	public sealed class MultiSelectionDataSource : IPropertyEditorDataSource
 	{
 		/// <summary>
 		/// Creates a data source for a collection of data sources.
@@ -52,7 +52,7 @@ namespace ICSharpCode.WpfDesign.PropertyEditor
 			this.services = services;
 			if (sources == null)
 				throw new ArgumentNullException("sources");
-			data = Linq.ToArray(sources);
+			data = Func.ToArray(sources);
 			if (data.Length < 2)
 				throw new ArgumentException("The collection must have at least 2 items!");
 			

src/AddIns/DisplayBindings/WpfDesign/WpfDesign/Project/PropertyEditor/PropertyEditorBindingHelper.cs

@@ -117,6 +117,8 @@ namespace ICSharpCode.WpfDesign.PropertyEditor
 				}
 			}
 			
+			// Used by the Binding using Reflection.
+			[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
 			public object BoundValue {
 				get { return dataProperty.Value; }
 				set { dataProperty.Value = value; }

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

@@ -81,7 +81,7 @@
     <Compile Include="Extensions\LogicalExtensionServers.cs" />
     <Compile Include="Extensions\SelectionExtensionServer.cs" />
     <Compile Include="HashSet.cs" />
-    <Compile Include="Linq.cs" />
+    <Compile Include="Func.cs" />
     <Compile Include="PropertyEditor\BooleanEditor.cs" />
     <Compile Include="PropertyEditor\MultiSelectionDataProperty.cs" />
     <Compile Include="PropertyEditor\StandardValuesComboBoxEditor.cs" />