用VC开发的网络语音电话，希望对您的开发有所帮助。

提供了一台主机ping 另一台主机的源代码，原理清晰明了-Provided a host ping another host source code, the principle of clarity

一个delphi写的获取子网掩码的例子，仅供参考-Delphi write access to a subnet mask of the examples for reference only

下载指定http链接的时候，仅仅使用socket去下载-Http link to download the designated time, only the use of socket to download

自用java编制了一个能在局域网中实现internet一样的聊天功能-with java,working out a program whichcan achieve the chat fuction as internet in the LAN.

window下，固定结构格式的数据文件进行网络数据传输，经过编译，很实用 -window, the fixed structure of data file formats for network data transmission, through the compiler, it is practical

如何判断网络上的计算机是否设置了密码-how to judge a computer on a network is set password

网络嗅探器，适用于ipv4协议。获取源地址，目标地址，主机名及数据包-network sniffer, applicable to ipv4 agreement. Access to the source address, destination address, host name and data packets

ARQ三个基本算法，算法实现，大家可以修改使用-ARQ three basic algorithms, Algorithm, we can use changes

域名解析,有源代码-domain analysis, the active code

本程序在VC.NET中编译通过，实现了好友上线，下线UDP广播，及用XML实现消息传输，及文件传输功能。-procedures in the VC. Compiled by achieving a friend on the line, assembly line UDP broadcasting, and using XML messaging, and file transfer functions.