C#实现Winform动态添加菜单的方法

private void Form1_Load(object sender, EventArgs e){  //添加菜单一   ToolStripMenuItem subItem;  subItem = AddContextMenu("入库", menuStrip1.Items, null);  //添加子菜单   AddContextMenu("添加入库", subItem.DropDownItems, new EventHandler(MenuClicked));  AddContextMenu("入库管理", subItem.DropDownItems, new EventHandler(MenuClicked));  //添加菜单二   subItem = AddContextMenu("出库", menuStrip1.Items, null);  //添加子菜单   AddContextMenu("添加出库", subItem.DropDownItems, new EventHandler(MenuClicked));  AddContextMenu("出库管理", subItem.DropDownItems, new EventHandler(MenuClicked));}/// <summary>/// 添加子菜单/// </summary>/// <param name="text">要显示的文字，如果为 - 则显示为分割线</param>/// <param name="cms">要添加到的子菜单集合</param>/// <param name="callback">点击时触发的事件</param>/// <returns>生成的子菜单，如果为分隔条则返回null</returns>ToolStripMenuItem AddContextMenu(string text, ToolStripItemCollection cms, EventHandler callback){  if (text == "-")  { ToolStripSeparator tsp = new ToolStripSeparator(); cms.Add(tsp); return null;  }  else if (!string.IsNullOrEmpty(text))  { ToolStripMenuItem tsmi = new ToolStripMenuItem(text); tsmi.Tag = text + "TAG"; if (callback != null) tsmi.Click += callback; cms.Add(tsmi); return tsmi;  }  return null;}void MenuClicked(object sender, EventArgs e){　　 　 //以下主要是动态生成事件并打开窗体　　　　//((sender as ToolStripMenuItem).Tag)强制转换  ObjectHandle t = Activator.CreateInstance("WinForms", "WinForms.Form2");  Form f = (Form)t.Unwrap();  f.ShowDialog();}