添加项目文件。

ViewModel/MenuViewModel.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GeekDesk.ViewModel
+{
+    class MenuViewModel
+    {
+
+        public MenuViewModel()
+        {
+            
+        }
+
+        public ObservableCollection<Menu> GetMenus()
+        {
+            ObservableCollection<Menu> menus = new ObservableCollection<Menu>();
+            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; }
+    }
+}