很早的一个VC++仿Outlook菜单窗体，在前几年，QQ的窗体也没现在这么华丽，在Outlook软件中，有一个竖立的可展开折叠的窗体-An early form VC++ imitation Outlook menu, in previous years, QQ form did not now so gorgeous in Outlook software, there is an erection that can expand a collapsed form