Fixed so Resources are always first among child items.

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

@@ -10,6 +10,8 @@ namespace ICSharpCode.WpfDesign.XamlDom
 	/// </summary>
 	public static class XamlConstants
 	{
+		#region Namespaces
+		
 		/// <summary>
 		/// The namespace used to identify "xmlns".
 		/// Value: "http://www.w3.org/2000/xmlns/"
@@ -27,5 +29,17 @@ namespace ICSharpCode.WpfDesign.XamlDom
 		/// Value: "http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 		/// </summary>
 		public const string PresentationNamespace = "http://schemas.microsoft.com/winfx/2006/xaml/presentation";
+		
+		#endregion
+		
+		#region Common property names
+		
+		/// <summary>
+		/// The name of the Resources property.
+		/// Value: "Resources"
+		/// </summary>
+		public const string ResourcesPropertyName = "Resources";
+		
+		#endregion
 	}
 }

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

@@ -24,6 +24,7 @@ namespace ICSharpCode.WpfDesign.XamlDom
 		
 		CollectionElementsCollection collectionElements;
 		bool isCollection;
+		bool isResources;
 		
 		static readonly IList<XamlPropertyValue> emptyCollectionElementsArray = new XamlPropertyValue[0];
 		
@@ -49,6 +50,11 @@ namespace ICSharpCode.WpfDesign.XamlDom
 			if (propertyInfo.IsCollection) {
 				isCollection = true;
 				collectionElements = new CollectionElementsCollection(this);
+				
+				if (propertyInfo.Name.Equals(XamlConstants.ResourcesPropertyName, StringComparison.Ordinal) &&
+				    propertyInfo.ReturnType == typeof(ResourceDictionary)) {
+					isResources = true;
+				}
 			}
 		}
 		
@@ -116,6 +122,13 @@ namespace ICSharpCode.WpfDesign.XamlDom
 			set { SetPropertyValue(value); }
 		}
 		
+		/// <summary>
+		/// Gets if the property represents the FrameworkElement.Resources property that holds a locally-defined resource dictionary. 
+		/// </summary>
+		public bool IsResources {
+			get { return isResources; }
+		}
+		
 		/// <summary>
 		/// Gets if the property is a collection property.
 		/// </summary>
@@ -287,7 +300,13 @@ namespace ICSharpCode.WpfDesign.XamlDom
 						ParentObject.ElementType.Name + "." + this.PropertyName,
 						parentObject.OwnerDocument.GetNamespaceFor(ParentObject.ElementType)
 					);
-					parentObject.XmlElement.AppendChild(_propertyElement);
+
+					if (this.IsResources) {
+						parentObject.XmlElement.PrependChild(_propertyElement);
+					} else {
+						parentObject.XmlElement.AppendChild(_propertyElement);
+					}
+
 					collection = _propertyElement;
 				} else {
 					// this is the default collection