重叠IO，完成例程网络模型，MFC适用于初学者-Overlapping IO, the completion of routine network model, MFC for beginners

一个很好的完成端口的例子，结合了MFC。适合很多人学习难掌握的IOCP-A good example of the completion of the port, combined with the MFC. Suitable for many people to study hard to master the IOCP