本程序适合初学者,包含了菜单对话框状态栏等编程,并详细备注了应用程序框架类之间的互相访问,还应用了文档类来存储数据,(This program is suitable for beginners, including menu dialog box, status bar and other programming. It also details the mutual access between application framework classes, and also applies document class to store data.)