Silverlight4右键菜单项简单实现

ContextMenu cm =new ContextMenu();//新建右键菜单
            MenuItem mi =new MenuItem();//新建右键菜单项
            mi.Header ="菜单项";
            mi.Click += MenuItem_Click;//为菜单项注册事件     
            cm.Items.Add(mi);
            ContextMenuService.SetContextMenu(btnRight, cm);//为控件绑定右键菜单