MFC框架下进行OSG开发的简示例，包括如何配置OSG开发环境以及进行MFC与OSG结合的编程。-The simple example of OSG development under the framework of MFC

osg与MFC结合，并且实现模型之间的快速切换。只要点击菜单，就能实现模型之间的快速切换-osg combined with the MFC, and fast switching between models. Just click on the menu, you can achieve fast switching between models