public partial class FormMkTest : Form

     {

         public FormMkTest()

         {

             InitializeComponent();

         }

         private void FormMkTest_Load(object sender, EventArgs e)

         {

             //添加菜单一文本中加入 &F  即ALT+F  打开某子菜单

             ToolStripMenuItem subItem;

             subItem = AddContextMenu("文件(&F)", menuStrip1.Items, null);

             //添加子菜单

             AddContextMenu("打开(&O)", subItem.DropDownItems, new EventHandler(MenuClicked));

             AddContextMenu("下载(&D)", subItem.DropDownItems, new EventHandler(MenuClicked));

             //添加菜单二

             subItem = AddContextMenu("&Edit", menuStrip1.Items, null);

             //添加子菜单

             ToolStripMenuItem Grandson = AddContextMenu("&Update", subItem.DropDownItems, new EventHandler(MenuClicked));

             //孙子

             AddContextMenu("孙子级", Grandson.DropDownItems, new EventHandler(MenuClicked));

             AddContextMenu("-", subItem.DropDownItems, null);//增加一个分割线

             AddContextMenu("没有快捷键", 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即</param>

         /// <param name="callback">点击时触发的事件</param>

         /// <returns>生成的子菜单，即该级的下一级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();

             string s = (sender as ToolStripMenuItem).Text;

             MessageBox.Show(s);

         }

     }

　附加一字符串处理：

            string mStr = "武藤兰(&F)";

            string mStred = Regex.Replace(mStr, "\\(&.?\\)", "");

            Console.Write(mStred);