using System.Collections.ObjectModel; namespace GeekDesk.ViewModel { class MenuViewModel { public MenuViewModel() { } public ObservableCollection GetMenus() { ObservableCollection menus = new ObservableCollection(); menus.Add(new Menu() { menu = "test1" }); menus.Add(new Menu() { menu = "test2" }); menus.Add(new Menu() { menu = "test3" }); return menus; } } public class Menu { public string menu { get; set; } } }