调用SDK win32 api来编写多线程的程序，很好地说明了线程同步问题，通过稍微的更改原程序，就可以是原来没有考虑线程同步问题的程序解决同步问题。该源代码给出了最终完整代码，很有帮助学习。-SDK win32 api to write multi-threaded programs is called a good illustration of the thread synchronization problem, through slight changes to the origin