一般的商业程序都有托盘图标和在托盘上弹出右击菜单的功能，那么如何给自已的程序添加这样的功能呢？本文通过改变背景图的实例，介绍一种实现托盘上弹出右击菜单的方法。-general commercial processes tray icon in the tray and right click on the pop-up menu function, then how to add their own procedures for such functions? By changing the c