说明：  WindML双缓冲编程示例，文章：【http://blog.csdn.net/dijkstar/article/details/8741405】的配套源码，同时把jpeg和鼠标键盘的处理房子里面了
(WindML the double buffering programming example, article: 【the supporting source http://blog.csdn.net/dijkstar/article/details/8741405], at the same time the jpeg and mouse, keyboard handling inside the house)