it is about socket programming in client side in windows.

关于Socket中UDP协议的应用，利用windows socket的异步方式发送和接收消息-About the Socket UDP protocol applications, the use of windows socket send and receive messages asynchronously

SanNiuSignal是一个基于异步socket的完全免费DLL；它里面封装了Client,Server以及UDP；有了这个DLL；用户不用去关心心跳；粘包 ；组包；发送文件等繁琐的事情(SanNiuSignal is a completely free DLL based on asynchronous socket; it encapsulates Client, Server, and UDP; with this DLL; users don't have to care for he