本程序源码实现了DirectX9.0在MFC基于对话框框架下的三维渲染。利用对话框空闲消息进行三维渲染，利用了后台交接链。-This program achieved a DirectX9.0 source in the context of MFC dialog-based three-dimensional rendering. Idle messages using dialog boxes three-dimensional rendering, use of back-transfe