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计算机网络讲义谢西仁的，非常出名第五版计算机网络讲义谢西仁的，非常出名第五版(West Yan Xie computer network notes, very well-known computer network notes the fifth edition of the West Yan Xie, very famous Fifth Edition)

可进行TCP通信实验，并分析TCP通信的逻辑过程(TCP communication experiments can be carried out, and the logical process of TCP communication is analyzed.)

说明：  测量坐标正反算 1、已知A点的坐标及A点到B点的边长及方位角，计算B点的坐标。 2、已知A点和B点的坐标，计算A点到B的边长及方位角。(Forward and inverse calculation of measuring coordinates)

简单的用于查看本机端口的应用程序，通过netstat命令实现(a simple application for local port view)

该程序简单介绍了如何创建局域网的C/S工作模式，简单可靠。(The simple procedure describes how to create LAN C/S mode, simple and reliable.)

说明：  C#连接交行银企直连客户端版本，可成功连接并进行通讯(C# Version of Bank-to-Enterprise Direct Connection)

MFC界面的PING程序 输入主机地址或者IP地址 发送五次ICMP请求(PING procedure MFC interface type the host address or IP address to send five ICMP request)

C# 调用SMTP发送有附件的邮件，基本功能已实现，测试通过了

VS很好用的IP类文件，外国人编写的哦，很实用的命名空间(IP class files VS good use of foreigners prepared oh， Very practical namespace)

又一个简单的com服务器和客户端程序,呵呵,不错不错(Another simple com server and client program, ha, good)