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

可以用于穿越火线游戏，一个小东西，很简单的东西-D3D -perspective, can be used to cross the Line of Fire Games, a small thing, very simple things