fix #292: Opening .xaml file that makes use of user controls causes SharpDevelop to load the user .dlls

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.AddIn/Src/MyTypeFinder.cs

@@ -41,17 +41,18 @@ namespace ICSharpCode.WpfDesign.AddIn
 			f.file = file;
 			f.ImportFrom(CreateWpfTypeFinder());
 			
-			// TODO : reimplement this!
-			// DO NOT USE Assembly.LoadFrom
-//			var compilation = SD.ParserService.GetCompilationForFile(file.FileName);
-//			foreach (var referencedAssembly in compilation.ReferencedAssemblies) {
-//				try {
-//					var assembly = Assembly.LoadFrom(referencedAssembly.GetReferenceAssemblyLocation());
-//					f.RegisterAssembly(assembly);
-//				} catch (Exceptions ex) {
-//					ICSharpCode.Core.LoggingService.Warn("Error loading Assembly : " + referencedAssembly.FullAssemblyName, ex);
-//				}
-//			}
+			// DO NOT USE Assembly.LoadFrom!
+			// use the special handling logic defined in TypeResolutionService!
+			var compilation = SD.ParserService.GetCompilationForFile(file.FileName);
+			foreach (var referencedAssembly in compilation.ReferencedAssemblies) {
+				try {
+					var assembly = f.typeResolutionService.LoadAssembly(referencedAssembly);
+					if (assembly != null)
+						f.RegisterAssembly(assembly);
+				} catch (Exception ex) {
+					ICSharpCode.Core.LoggingService.Warn("Error loading Assembly : " + referencedAssembly.FullAssemblyName, ex);
+				}
+			}
 			return f;
 		}
 		

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.AddIn/Src/WpfToolbox.cs

@@ -90,28 +90,28 @@ namespace ICSharpCode.WpfDesign.AddIn
 					try {
 						// DO NOT USE Assembly.LoadFrom!!!
 						// see http://community.sharpdevelop.net/forums/t/19968.aspx
-						// TODO : reimplement this!
-//						var assembly = Assembly.LoadFrom(f);
-//
-//						SideTab sideTab = new SideTab(sideBar, assembly.FullName.Split(new[] {','})[0]);
-//						sideTab.DisplayName = StringParser.Parse(sideTab.Name);
-//						sideTab.CanBeDeleted = false;
-//						sideTab.ChoosedItemChanged += OnChoosedItemChanged;
-//
-//						sideTab.Items.Add(new WpfSideTabItem());
-//
-//						foreach (var t in assembly.GetExportedTypes())
-//						{
-//							if (IsControl(t))
-//							{
-//								sideTab.Items.Add(new WpfSideTabItem(t));
-//							}
-//						}
-//
-//						if (sideTab.Items.Count > 1)
-//							sideBar.Tabs.Add(sideTab);
-//
-//						addedAssemblys.Add(f);
+						Assembly assembly = typeResolutionService.LoadAssembly(assemblyFileName);
+						if (assembly == null) continue;
+
+						SideTab sideTab = new SideTab(sideBar, assembly.FullName.Split(new[] {','})[0]);
+						sideTab.DisplayName = StringParser.Parse(sideTab.Name);
+						sideTab.CanBeDeleted = false;
+						sideTab.ChosenItemChanged += OnChosenItemChanged;
+
+						sideTab.Items.Add(new WpfSideTabItem());
+
+						foreach (var t in assembly.GetExportedTypes())
+						{
+							if (IsControl(t))
+							{
+								sideTab.Items.Add(new WpfSideTabItem(t));
+							}
+						}
+
+						if (sideTab.Items.Count > 1)
+							sideBar.Tabs.Add(sideTab);
+
+						addedAssemblies.Add(assemblyFileName);
 					} catch (Exception ex) {
 						WpfViewContent.DllLoadErrors.Add(new SDTask(new BuildError(assemblyFileName, ex.Message)));
 					}

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.AddIn/Src/WpfViewContent.cs

@@ -58,21 +58,9 @@ namespace ICSharpCode.WpfDesign.AddIn
 			
 			BasicMetadata.Register();
 			
-			// TODO Move this Initialization to LoadInternal
-//			WpfToolbox.Instance.AddProjectDlls(file);
-
-			ProjectService.ProjectItemAdded += ProjectService_ProjectItemAdded;
-			
 			this.TabPageText = "${res:FormsDesigner.DesignTabPages.DesignTabPage}";
 			this.IsActiveViewContentChanged += OnIsActiveViewContentChanged;
 		}
-
-		void ProjectService_ProjectItemAdded(object sender, ProjectItemEventArgs e)
-		{
-			// TODO reimplement this!
-//			if (e.ProjectItem is ReferenceProjectItem)
-//				WpfToolbox.Instance.AddProjectDlls(this.Files[0]);
-		}
 		
 		static WpfViewContent()
 		{
@@ -106,6 +94,7 @@ namespace ICSharpCode.WpfDesign.AddIn
 				designer = new DesignSurface();
 				this.UserContent = designer;
 				InitPropertyEditor();
+				InitWpfToolbox();
 			}
 			this.UserContent = designer;
 			if (outline != null) {
@@ -204,6 +193,19 @@ namespace ICSharpCode.WpfDesign.AddIn
 			propertyContainer.PropertyGridReplacementContent = propertyGridView;
 			propertyGridView.PropertyGrid.PropertyChanged += OnPropertyGridPropertyChanged;
 		}
+
+		void InitWpfToolbox()
+		{
+			WpfToolbox.Instance.AddProjectDlls(Files[0]);
+			SD.ProjectService.ProjectItemAdded += OnReferenceAdded;
+		}
+		
+		void OnReferenceAdded(object sender, ProjectItemEventArgs e)
+		{
+			if (!(e.ProjectItem is ReferenceProjectItem)) return;
+			if (e.Project != SD.ProjectService.FindProjectContainingFile(Files[0].FileName)) return;
+			WpfToolbox.Instance.AddProjectDlls(Files[0]);
+		}
 		
 		void OnSelectionChanged(object sender, DesignItemCollectionEventArgs e)
 		{
@@ -281,7 +283,7 @@ namespace ICSharpCode.WpfDesign.AddIn
 		
 		public override void Dispose()
 		{
-			ProjectService.ProjectItemAdded -= ProjectService_ProjectItemAdded;
+			SD.ProjectService.ProjectItemAdded -= OnReferenceAdded;
 
 			propertyContainer.Clear();
 			base.Dispose();