windows 消息传递机制
http://wenku.baidu.com/view/ee3f8022a5e9856a56126003.html
http://blog.csdn.net/liu__ke/article/details/8993232
http://wenku.baidu.com/view/ebf1a9c34028915f804dc2c9.html
http://wenku.baidu.com/view/b4a736f8941ea76e58fa045b.html
http://wenku.baidu.com/view/973ad011f18583d049645908.html?re=view
http://wenku.baidu.com/view/2347e400a6c30c2259019e5e.html
http://www.rupeng.com/forum/thread-5714-1-1-uid2477.html