菜单的应用与命令消息的映射方法-菜单以资源形式出现，而不用程序员安排对应类。但当接受操作时则会从一个CCmdUI的边界类对象得到信息。该类对象内聚合一个CMenu对象和对应的ID。-Application menu and order information mapping method-menu to the form of resources, rather than programmers arrangements corresponding category. However, the