一系列在DirectDraw中如何显示数字图形的例程，对苦于ddraw编程不熟悉的新手可以借鉴-How to display the series in DirectDraw digital graphics routines, to suffer the ddraw programming is not familiar with the novice can learn

基于D3D9编写的一个非常漂亮的场景，包括源代码。-On D3D9 written a very beautiful scene, including the source code.