Introduces the method of automatic repeat speaking by PowerWord based on Windows messages,using message transfer among different processes on one host computer,then details the mechanism of message handling for hidden window.

• 详细介绍了灵活使用Windows消息使金山词霸自动重复朗读,给出了在同一台主机上实现不同进程中窗口之间消息传递的一个切实可行的方法,揭示了Windows隐藏窗口的消息处理机制。