利用RAS API 实现家庭ADSL用户拨号上网的程序

跨平台信息交流，基于 TCP/IP(UDP)，无需服务器，简单易用,可传送文件和文件夹,通讯数据采用 RSA/Blofish 加密.-cross-platform information exchange, based on TCP/IP (UDP) without the server, simple and easy capable of transmitting files and folders, data communications using RSA/Blofish encryption.

一个IP多播的例子-An example of IP Multicast

检查一个tcp或udp端口是否被占用-Check if a tcp/udp port has been used

socket编程基于c#开发，通过gprs进行通讯，异步通讯方式，具有一定的学习研究价值；适合新手了解学习

修改一台机器的IP地址 -Modifying the IP address of a machine

udp服务器设计过程总结.rar-udp server design process concluded. Rar

该程序使用socket进行通信，使用了TCP和UDP，同时通过OpenCV打开摄像头，并通过上面所说的UDP进行了视频图像的传输。由于本机上只有一个摄像头，而摄像头是独占设备，尚未在多台机器上测试。代码显得简单粗糙，但是其中的某些源代码和大体思想我相信还是可以给大家一些帮助的。

网络编程常用的api原代码.c文件和.h文件用于网络通讯,网络传输等内附一简单的应用例子-Network Programming common api original code. C and. H documents for network communications, network transmission containing a simple application example

Windows Sockets规范定义了一套Micosoft Windows下网络编程接口,包含了人们所熟悉的Berkeley Socket风格的库函数；也包含了一组针对Windows的扩展库函数，以使程序员能充分地利用Windows消息驱动机制进行编程。-Windows Sockets specification defines a set of result list Windows network programming interface, which includes people familiar with the style of Berkeley Socket libraries; Also includes a group of Windows extension function, so that programmers can fully take advantage of the Windows message-driven mechanism for the programming.

有关用户界面方面的修改以及控件方面的自绘问题.-Related aspects of user interface changes as well as the control aspects of the issue of self-painting.