说明：  OpenGL作为一种三维工具软件包，在交互式三维图形建模能力编程方面有着无可比拟的优越性。本教程主要介绍了在VC平台上OpenGL编程的基本方法。
(OpenGL as a 3D tool package has incomparable superiority in the modeling capabilities of interactive 3D graphics programming. This tutorial introduces the basic method in the VC platform OpenGL programming.)