CRC校验VB源码，直接可以使用，有注释

hmac是一种消息验证码，我开发的这个程序可以进行任意长度的消息验证。该程序代码可以用来防止文件篡改，可以适当修改输入密码。-HMAC is a message authentication code, I developed this procedure can be of arbitrary length message authentication. The program code can be used to prevent document tampering, with appropriate modifications can enter a password.

本代码实现了网络组播软件的功能，能发送接收消息，类似于一个组播会议形式-This code of network multicast software to send receive messages, similar to the form of a multicast session

FLASH素材源码-木匠人物 木匠人物 木匠人物 木匠人物 -FLASH source material-carpenter figures figures carpenter carpenter figures figures carpenter carpenter figures figures carpenter carpenter figures figures carpenter carpenter figures carpenter figures

java编写的 动态互动景观全景好的例子代码-prepared by the dynamic interaction panoramic landscapes good example code

以三种方式实现PING操作-three ways to achieve operating PING

里边有很多精彩的网络编程程序，大家快来下载呀，过期也我可不管的-inside many wonderful network programming procedures, we hurry and download it, I can also expired regardless of the.

一个非常好的SMTP邮件收发系统，绝对好用-a very good SMTP mail systems, absolute handy

蓝牙软件工具，给有需要的朋友用．download工具等-Bluetooth software tools, there is a need to use a friend. download tools

一个简易的聊天系统,可以在局域网内聊天,适合在公司不能上网的朋友.-A simple chat system, you can chat in the LAN for Internet access in the company should not friends.

windows平台下的网络组播.包含客户端和服务端-windows platform network multicast. Includes client and server