C# 在线考试系统源码下载(含数据库)

多人在线的网络聊天室—服务器，简化实用 可以修改后添加其他功能(Multiplayer online chat rooms- server, simplifying practical Other functions can be modified to add)

实现可靠的UDP封装传输类，可以进行多点传输，采用超时重发机制(Reliable transmission of UDP encapsulation type, can be multi-point transmission, the use of timeout retransmission mechanism)

模拟请求，基于HttpWebRequest封装好的一个类，自动记下和发送Cookie,你只管调用方法就行了，很实用

说明：  基于 异步选择模型的聊天程序，简单实现服务器和客户端的对话(Select model based on asynchronous chat program, simple implementation of server and client dialogue)

生成二维码

《VC++网络通信编程实例案例精选》源代码_第三部分("VC network communications programming examples selected cases" source code _ the third part)

Internet-Network WLAN Scan with NDIS Miniport and Much More

服务器端代码··可以跟客户端自由通信··(Server-side code can be freely client communications)

这是一篇基于循环延迟分集的分组预编码和空时频编码技术方面的典型文章()

直接用winsock api实现寻呼功能 支持完全自控的聊天服务。支持中国联通,河北国信,万声寻呼,中铁寻呼,斯壮寻呼,国讯寻呼等主要干线(Realize the direct use of winsock api paging features fully automatic control of the chat support service. Support of China Unicom, Hebei Guoxin, million voice paging, iron paging, Sizhuang paging, paging inquiry States and other major trunk)