聊天程序,分客户端和服务端

C#开发的如何上下载文件的程序,加在程序可开发程序自动更新程序.-C# Developed how to download files procedure, added to the program can be the development of procedures for automatic updates.

Following the development of network and communication technology, traditional telecommunication network meets with great challenges currently. In order to overcome the disadvantages of traditional telecom network, next generation network was put forward in recent years, which bases on IP packet network and soft-switch technology is used. The same problem is also existed in power communication system, so how to build next generation communication system become more and more important.

获得本机的MAC地址，已经生成有可执行文件-Access to the machine

C#中XML解析的DEMO程序，绝对经典！学习C#者必备-C# In XML parsing DEMO procedures, an absolute classic! Learning C# Are essential

这是一个关于winsock的网络编程的程序。是一服务器端VC视频会议代码，希望对你们有用。-winsock on the network programming procedures. Is a server-side code VC Video Conference, and I hope to you useful. Ha ha!

经典网络编程书籍：Windows网络编程第二版 -Classic network programming books: Windows Network Programming Second Edition

网上书店（源码与文档)后台管理：/manage 后台管理用户名：admin 密码：admin-Online Bookstore (source code and documentation) Admin:/manage Admin Username: admin Password: admin

用rawsocket构造tcp数据包的程序-Rawsocket constructed using tcp packet procedure

程序说明: 1.程序采用网上介绍的方法实现最基本的P2P方式通讯.模拟实现即时消息互发. 2.P2P通讯说明: 1).网关类型是在理想状态下.即非对称型NAT. 2).同在一个内网的两个CLIENT端通讯时,如果网关NAT不支持环回,将会失败. 文件目录说明: tQServer:程序服务端,请将其放在公网上运行. tQClient:程序客户端,可以在不同的内网中运行登录连接到服务端. Common:公共协议文件夹 本程序只是实现简单的P2P互发消息.完成的比较粗糙,更多功能欢迎朋友们更新完善-procedures : 1. Online procedures introduced by the most basic method of peer-to-peer communication. Simulation made instant messaging each other. 2.P2P communications Note : 1). Gateway is the ideal type of state. That is non-symmetric NAT. 2). In the same period net CLIENT-2 communications, if not support NAT Gateway Circular, will fail. directory : tQServer :-service procedures, I would be grateful if the public on its Internet. tQClient : clients, in different operations within the network login to connect to the server. Common : Public the agreement folder procedure is a simple peer-to-peer updates. completion of the rougher, more functional friends welcome update perfect

该源码可以用来下载文件,它使用Http接口实现的，功能不错。-It can be used to download files. It is implemented by HTTP interfaces.