using System ;
using System.Windows.Forms ;
using System.Drawing ;
using System.ComponentModel ;
class RuntimeMenus : Form
{
private MainMenu myMenu ;
private MenuItem mnuFile , mnuExit , mnuRtime ;
private Button btnAdd , btnRemove , btnClose ;
static int i ;
public RuntimeMenus ( )
{
InitializeComponents ( ) ;
}
public void InitializeComponents ( )
{
//初始化 Main Menus
myMenu = new MainMenu ( ) ;
mnuFile = new MenuItem ( "文件" ) ;
mnuRtime = new MenuItem ( "运行菜单项目" ) ;
//往 Main Menu里面加入菜单
myMenu.MenuItems.Add ( mnuFile ) ;
myMenu.MenuItems.Add ( mnuRtime ) ;
//初始化 Exit 菜单项，设定了事件和快捷键
mnuExit = new MenuItem ( "退出" , new EventHandler ( btnClose_Click ) , Shortcut.CtrlX ) ;
//把菜单项加入到文件File菜单中
mnuFile.MenuItems.Add ( mnuExit ) ;//初始化添加按钮
btnAdd = new Button ( ) ;
btnAdd.Location = new Point ( 275 , 20 ) ;
btnAdd.Text = "添加菜单" ;
btnAdd.Click += new EventHandler ( btnAdd_Click ) ;
btnAdd.Size = new Size ( 100 , 30 ) ; //初始化删除按钮
btnRemove = new Button ( ) ;
btnRemove.Location = new Point ( 275 , 60 ) ;
btnRemove.Text = "删除菜单" ;
btnRemove.Click += new EventHandler ( btnRemove_Click ) ;
btnRemove.Size = new Size ( 100 , 30 ) ; //初始化关闭按钮
btnClose = new Button ( ) ;
btnClose.Location = new Point ( 275 , 100 ) ;
btnClose.Text = "退出" ;
btnClose.Click += new EventHandler ( btnClose_Click ) ;
btnClose.Size = new Size ( 100 , 30 ) ;
//在窗体中加入按钮
this.Controls.Add ( btnAdd ) ;
this.Controls.Add ( btnRemove ) ;
this.Controls.Add ( btnClose ) ; //设置窗体的属性
this.MaximizeBox = false ;
this.MinimizeBox = false ;
this.Text = "动态处理菜单程序窗口！" ;
// 设定本窗体的MainMenu
this.Menu = myMenu ;
this.Size = new Size ( 400 , 250 ) ;
this.CancelButton = btnClose ;
this.StartPosition = FormStartPosition.CenterScreen ;
} //以下是动态加入菜单项
protected void btnAdd_Click ( object sender , EventArgs e )
{
mnuRtime.MenuItems.Add ( "运行菜单 " + ( i + 1 ) , new EventHandler ( mnuRtime_Click ) ) ;
i++ ;
}
//以下是动态删除菜单项
protected void btnRemove_Click ( object sender , EventArgs e )
{
mnuRtime.MenuItems.RemoveAt ( i - 1 ) ;
i = i - 1 ;
} protected void mnuRtime_Click ( object sender , EventArgs e )
{
String s = sender.ToString ( ) ;
MessageBox.Show ( "你选择的是 " + s.Substring ( 28 ) , "菜单选择窗口！" , MessageBoxButtons.OK , MessageBoxIcon.Information ) ;
} //退出应用程序
protected void btnClose_Click ( object sender , EventArgs e )
{
Application.Exit ( ) ;
} public static void Main ( )
{
Application.Run ( new RuntimeMenus ( ) ) ;
}
} | 
