介绍DirectX开发基本功能。每一章都有相应的例子程序工程，代码解析明了。适合初级程序员有志于DirectX开发。-This document and code introduce how to development the 3D program. There has some detail for you abtain the 3D design. So you kan study it all the time. Use the windows DirectX 9.0c.