今天写程序要跟踪某些消息，打开spy++，却怎么也找不到要监视的窗口。一气之下就写下了这个小工具，本着共享的精神，网上拉了个GPL协议进去.-today to write a program to track certain information and opened spy, but can not find how to monitor the window. Furious, wrote on the small tools, the spirit of sharing, and online pull out into the GPL agreement.