private void OnPageLoaded(object sender, RoutedEventArgs e)
{
ObservableCollection<MenuBindingSource> itemsSource = new ObservableCollection<MenuBindingSource>();
MenuBindingSource menu1 = new MenuBindingSource("Dropdown Menu1");
MenuBindingSource menu2 = new MenuBindingSource("Dropdown Menu2");
MenuBindingSource menu3 = new MenuBindingSource("Dropdown Menu3");
itemsSource.Add(menu1);
itemsSource.Add(menu2);
itemsSource.Add(menu3);
MenuBindingSource submenu1 = new MenuBindingSource("First Level SubMenu1");
MenuBindingSource submenu2 = new MenuBindingSource("First Level SubMenu2");
MenuBindingSource submenu3 = new MenuBindingSource("First Level SubMenu3");
menu1.AddItem(submenu1);
menu1.AddItem(submenu2);
menu1.AddItem(submenu3);
menu2.AddItem(submenu1);
menu2.AddItem(submenu2);
menu2.AddItem(submenu3);
menu3.AddItem(submenu1);
menu3.AddItem(submenu2);
menu3.AddItem(submenu3);
MenuBindingSource subsubmenu1 = new MenuBindingSource("Second Level SubMenu1");
MenuBindingSource subsubmenu2 = new MenuBindingSource("Second Level SubMenu2");
submenu1.AddItem(subsubmenu1);
submenu1.AddItem(subsubmenu2);
submenu2.AddItem(subsubmenu1);
submenu2.AddItem(subsubmenu2);
submenu3.AddItem(subsubmenu1);
submenu3.AddItem(subsubmenu2);
this.MainMenu2.ItemsSource = itemsSource;
}
