vc++实现显示和隐藏工具条，基于文档视图结构的MFC应用程序，在查看菜单项中可以对自己绘制的工具条进行显示和隐藏操作。-vc++ to achieve show and hide the tool bar, based on the structure of the document view MFC application, in the View menu item can be drawn on its own toolbar to display and hide operations