可以生成屏幕保护的源程序，在鼠标或键盘空闲某一个时间段时自动调用-can generate screen protection of the source, the mouse or keyboard idle time of a call automatically

本程序演示怎么做一个屏幕保护程序。将编译后的exe文件扩展名改成scr，即可运行。-Demonstration of how to do this procedure a screen saver. Will be compiled into exe file extension scr, can run.

gdi demo to show graphics movement-c++ program