//导入winex库
import winex; 

//查找
var hwnd = win.find("Notepad");//查找父窗口
  
//查找指定的菜单("文件"菜单下的子菜单"另存为")
hmenu,menuid = winex.findMenu(hwnd ,"文件","另存为"  );
 
//前置窗口
win.setForeground(hwnd)
 
//点击菜单项
winex.click( hwnd,menuid)