This class, BCMenu, implements owner drawn menus derived from the CMenu class. The purpose of which is to mimic the menu style used in Visual C++ 5.0 and MS Word.
这个派生于 CMenu 的类( BCMenu)实现了自绘制菜单。其目的是模仿 Visual C++ 5.0 和 MS Word的菜单风格。
来源: http://www.codeguru.com/menu/owner_drawn_menu3.shtml