private void LibraryAdded(object sender, ILibrary library)
        {
            MenuItem libraryMenuItem = new MenuItem();
            libraryMenuItem.Header = library.GetName();

            foreach (Type node in library.GetNodeTypes())
            {
                MenuItem libraryNodeItem = new MenuItem();
                libraryNodeItem.Header = node.Name;

                nodeTypes[libraryNodeItem] = node;
                libraryNodeItem.Click += new RoutedEventHandler(libraryNodeItem_Click);

                libraryMenuItem.Items.Add(libraryNodeItem);
            }

            Libraries.Items.Add(libraryMenuItem);
        }
        void LibraryAdded(object sender, ILibrary library)
        {
            Menu libraryMenu = new Menu();
            ToolBar.SetOverflowMode(libraryMenu, OverflowMode.AsNeeded);
            libraryMenu.Background = new SolidColorBrush(Color.FromRgb((byte)0xBC, (byte)0xC7, (byte)0xD8));
            Items.Add(libraryMenu);

            MenuItem libraryMenuItem = new MenuItem();
            libraryMenuItem.Header = library.GetName();
            libraryMenu.Items.Add(libraryMenuItem);

            foreach (Type node in library.GetNodeTypes())
            {
                MenuItem libraryNodeItem = new MenuItem();
                libraryNodeItem.Header = node.Name;

                nodeTypes[libraryNodeItem] = node;
                libraryNodeItem.Click += new RoutedEventHandler(libraryNodeItem_Click);
                
                libraryMenuItem.Items.Add(libraryNodeItem);
            }
        }