Fix #228 ILSpy /NavigateTo: does not allow you to navigate to a namespace

ILSpy/MainWindow.xaml.cs

@@ -242,14 +242,29 @@ namespace ICSharpCode.ILSpy
 		{
 			if (args.NavigateTo != null) {
 				bool found = false;
-				foreach (LoadedAssembly asm in commandLineLoadedAssemblies) {
-					AssemblyDefinition def = asm.AssemblyDefinition;
-					if (def != null) {
-						MemberReference mr = XmlDocKeyProvider.FindMemberByKey(def.MainModule, args.NavigateTo);
-						if (mr != null) {
-							found = true;
-							JumpToReference(mr);
-							break;
+				if (args.NavigateTo.StartsWith("N:", StringComparison.Ordinal)) {
+					string namespaceName = args.NavigateTo.Substring(2);
+					foreach (LoadedAssembly asm in commandLineLoadedAssemblies) {
+						AssemblyTreeNode asmNode = assemblyListTreeNode.FindAssemblyNode(asm);
+						if (asmNode != null) {
+							NamespaceTreeNode nsNode = asmNode.FindNamespaceNode(namespaceName);
+							if (nsNode != null) {
+								found = true;
+								SelectNode(nsNode);
+								break;
+							}
+						}
+					}
+				} else {
+					foreach (LoadedAssembly asm in commandLineLoadedAssemblies) {
+						AssemblyDefinition def = asm.AssemblyDefinition;
+						if (def != null) {
+							MemberReference mr = XmlDocKeyProvider.FindMemberByKey(def.MainModule, args.NavigateTo);
+							if (mr != null) {
+								found = true;
+								JumpToReference(mr);
+								break;
+							}
 						}
 					}
 				}

ILSpy/TreeNodes/AssemblyTreeNode.cs

@@ -139,6 +139,9 @@ namespace ICSharpCode.ILSpy.TreeNodes
 			get { return true; }
 		}
 
+		/// <summary>
+		/// Finds the node for a top-level type.
+		/// </summary>
 		public TypeTreeNode FindTypeNode(TypeDefinition def)
 		{
 			if (def == null)
@@ -151,6 +154,21 @@ namespace ICSharpCode.ILSpy.TreeNodes
 				return null;
 		}
 
+		/// <summary>
+		/// Finds the node for a namespace.
+		/// </summary>
+		public NamespaceTreeNode FindNamespaceNode(string namespaceName)
+		{
+			if (string.IsNullOrEmpty(namespaceName))
+				return null;
+			EnsureLazyChildren();
+			NamespaceTreeNode node;
+			if (namespaces.TryGetValue(namespaceName, out node))
+				return node;
+			else
+				return null;
+		}
+		
 		public override bool CanDrag(SharpTreeNode[] nodes)
 		{
 			return nodes.All(n => n is AssemblyTreeNode);