一个组播接收类， 一个组播接收类。

一个FTP客户端程序,可供有兴趣的朋友参考学习-An FTP client program, for those interested in friend" s reference to learning

使用手机发送段信的源码，包括串口操作和AT指令集。使用vb.net编写。-use the phone to send a letter of the source code, including the serial port operation and AT command set. Use vb.net prepared.

可以通过这个软件，把和别人建立通信，方便简单又实在，你说好不好呀，下吧，不用客气-through the software, communications and other people, it is really very easy to use, that is really nice to you, are you, not polite

自动检测网络状况，当网络闲置时自动关机，可根据实际情况选择关机条件。-Automatically detects network conditions, when the network shuts down automatically when idle, according to the actual situation may choose to shut down conditions.

模拟DCS数据发包数据环境，UDP，在电厂做工程时因为不能随便接触控制网络，所以写了这样一个模拟DCS向外发布数据的程序，方便在开发环境进行调试。-UDP ，imitate DCS（Distribute Control System）output data circument。

enhanced netstat.可以找出端口对应的进程PID,从而确定某个端口是由哪个程序打开的。对于二次开发很有用。-enhanced netstat. Ports can find the corresponding process PID, a port in order to determine which procedures are open. For the Second Development useful.

用于下载文件，还可以用于更新网络文件，还可用于加密文件。-Used to download files, but also can be used to update the network files, can also be used to encrypt files.

This the FreeMED fax transmission API, and is used to send faxes using the HylaFax fax system

在应用层进行加密处理的VPN源代码，支持Windows平台和Linux平台。-in the application layer VPN encryption source code, support for Windows and Linux platforms.

作业练习题 你们-workbooks that you s