用ping来判断网络通断太慢了，该程序可以实现快速判断网络通断状态...

这段代码是用VB.NET版2012

VB的TCP聊天工具将服务端与客户端分开编写，使用机器需先打开服务端，再在远程机器使用客户端连接-VB TCP chatting tool services and client-prepared separately, the use of machines need to open the server, then the remote machine using the client

网络编程,聊天室的服务器端代码,可以作为网络编程的参考.-network programming, chat rooms, the server-side code, as network programming reference.

中国电信短信固网网关接口,安全JAVA代码实现《Visual C++网络通信编程实用案例精选》配套源码《Visual C++网络通信编程实用案例精选》配套源码-China Telecom fixed network SMS gateway interface, security JAVA source implementation of the "Visual C Programming Network Communication practical cases selected" complementary source "Visual C Programming Network Communication practical case Showcase" supporting FOSS

这是一个串口(com口)的全功能通讯实现的实例,华丽的界面 网上收集而来-This is a serial port (com) are the realization of a fully functional communications examples of gorgeous interface collected from the Internet

基于Socket类实现SMTP，POP邮件服务器的源代码-based on Socket class achieve SMTP and POP mail server source code

基于JAVA的ICQ系统的设计于实现，包含文档和源代码-JAVA-based system design of the ICQ to achieve, including documentation and source code

Sniffer 程序.可以监视IE里传输的各种网址.-Sniffer source code , can monite the address appared in IE

不完美-Not perfect

简单的程序-Simple procedure