这个项目称为PostMsg ，用于向桌面上的任意窗口发送消息。这在测试COM服务器时很有用，但其本质上可以发送任何类型的消息。- This project is called PostMsg, uses in to the tabletop on free window transmission news. This when tests the COM server is very useful, but it essentially may transmit any type the n