一个在vc++6.0环境下开发的小例子，使用mfc和OpenGL实现的显示3d物体的框架例子，做3d导航工程的人可以拿过来用-A vc++6.0 environment to develop a small example, the use of mfc and OpenGL display 3d objects to achieve a fr a mework for example, 3d navigation works so people can get over with