创建原始套接字，构造ICMP协议ECHO数据头，发送数据sendto 接收数据recvfrom，分析返回IP数据头及ICMP数据头 程序代码极其简单，适合初学网...

双线程处理Socket，一个线程负责发一个负责 ，TCPDemo在具体实现时，设计了一个CTCPListener类专门用于服务器对特定TCP端口的侦听。另外，设计了一个CStreamSocket类专门用于TCP数据的传输。CStreamSocket作为基类，服务器程序从它派生出另一个类CSocketSender专门用于数据的发送，客户机程序从它派生出CSocketReceiver类专门用于数据的接收。这些类的继承结构如图3

delphi编写的小游戏，是一个五子棋的源代码，解压之后就可以试试了。-prepared by the small games, the 331 is a source code can be extracted after a try.

本系统属于小型的局域网监控系统，可以对某一台计算机进行屏幕监控，本系统主要实现以下功能：  系统采用人机交互的方式，界面美观友好。  屏幕信息需要时时显示，网络延时不能大于1秒。  服务器端可以随时运行，只要客户端运行，就能够显示屏幕信息。  系统运行时占用内存不能大于10MB，以免影响系统性能。  客户端运行时需要隐藏显示窗口，起其感觉不到在运行。 -This system belongs to a small local area network monitoring system that can carry out the screen of a computer monitor, this system is mainly to achieve the following features:  system uses human-computer interaction approach, friendly and beautiful interface.  screen displays information needs from time to time, the network delay can not exceed 1 second.  server-side ready to run, as long as the client is running, you can display on-screen information.  memory for the system is running can not be larger than 10MB, so as not to affect system performance.  the client run-time to hide the display window, from the feel running.

一个msSQL客户端，在服务器上无xp_cmdShell存储过程的情况下，照样执行cmd命令。用到了跳板技术-a msSQL client, the server-storage process xp_cmdShell circumstances, the implementation of the same order cmd. The technology used springboard

简单的FTP服务器和客户端程序，可以实现简单通讯。-Simple FTP server and client programs, you can realize simple communication.

netmeeting的SDK，开发语音视频聊天室的好东西！这个SDK网上不好找，里面有很多的SAMPLE！-The NetMeeting SDK, the development of voice and video chat rooms good things! This SDK不好找online, which has a lot of SAMPLE!

WAP综合整站(带数据带采集) WapDomain 说明 ASP+WAP的域名查询程序,该程序只提供域名是否已被注册信息,不提供WHOIS信息,如用户需要,可自己添加此功能.此源码基于WapClass Ver 1(文件位置:inc/wapclass.asp)开发,用WAP类开发,提高开发效率.该查询程序采用万网(http://whois.hichina.com/)的查询域名接口. 程序基本原理:提交要查询的域名,然后判断该域名的合法性,再使用"先锋海盗类"(文件位置:inc/clsThief.asp)数据查询. -WAP ZHONGHE

我自己做的一个基于C/S模式的网络游戏。下棋的。附带服务器端和客户端全部源代码。 单机运行的话需要运行一个服务端和两个客户端，就可以自己跟自己下棋了。-I do one based on C/S mode of online games. Chess-playing. Fringe server and the client all of the source code. The stand-alone operation need to run a server and two clients, they can do it themselves by playing chess with ourselves.

一个端口扫描程序-a port scan

中软培训资料 - 大企业内部培训资料，大家可有福了，赶快下载吧。-Training materials in the soft- big business in-house training materials, we may be blessed, and quickly download the bar.