游戏开发包。DirectX相关的组件包装, DirectDraw、D3D、DirectInput、DirectSound、DirectPlay、DirectMedia、及MIDI播放；图形文件读写；网络编程；多线程等方面很多内容, Game development package. DirectX correlation module packing, DirectDraw, D3D, DirectInput, DirectSound, DirectPlay, DirectMedia, and

基于DX8.1实现的绘图并动态渲染的基础程序，使用Graphic类封装了DD初始化函数,使用GameMain封装了游戏初始化过程-It s a procedure based on DX8.1 used for drawing a picture.it s a packing of DirectDraw s init function and also Game init function