这个是在窗口界面中实现的ping命令，值得一看

应用背景 微信PC程序代码 亲测有用 关键技术 采用C#技术，调用微信SDK接口 开发 的微信代码

用API实现简单的信息通信-use API simple message communication

< 精通Windows Sockets网络开发--基于Visual C++实现>> 一书的全部源代码，包括 多线程下载程序、网络五子棋、在线考试系统等五个项目。每个项目都使用不同的socket模型开发（比如select，基于消息、事件的异步模型,重叠i/o，完成端口），对于初学socket网络编程的朋友有极大帮助、、 -" " Proficient in Windows Sockets network development- based on Visual C++ implementation " " a book full source code, including multi-threaded download, network Gobang, online examination system of five projects. Each item using a different socket model development (such as select, based on news, events, asynchronous model, overlapping i/o, complete the port), socket network programming for the beginner a friend of great help,,,

好东西，大家一起享用！ 想要得动手吧，不要满了 GOOD LUCK-good things, we enjoy together! Want in hands, instead of full GOOD LUCK!

实现了server/client结构的分布式计算-achieve a server/client structure of Distributed Computing

wininet 函数声明-wininet function declaration

用vc实现的网络编程源代码，本程序主要实现TFTP协议-Achieved with the vc network programming source code, the main achievement of this procedure TFTP protocol

运价查询系统,商用源码,请下载学习研究,密码在文档里有提供.-Freight inquiry system, commercial source code, please download the study and research, the password provided in the document there.

代码中包含libevent类库，动态库和一个服务器程序，一个client短程序，完成多线程异步socket通讯

支持跨网的点对点文件传输-support inter-network peer-to-peer file transfer