关于Directdraw的一个界面编程，可进行翻转，效果比较明显！创建两个页面，之间的切换显示图片！,On a Directdraw programming interface, can be reversed, the effect more obvious! Create two pages, switching between the display picture!

用Direct3D纹理实现的复数分形显示，能切换不同复变函数的图形-Direct3D texture using Fractal realize the plural shows that switching to a different complex function of the graphics