UDP

实现ARQ协议的简单模拟，包括发送，确认号，等待，出错重发等等。(Realise a simple Model as ARQ Protocol)

windows socket API的基本应用 完整工程；服务器异步监听模式 适合初学参考。(The basic application windows socket API complete works server asynchronous listening mode suitable for beginners reference.)

又一个使用ICMP.DLL实现ping的小例子 (Another example of using ICMP.DLL to implement ping)

更换ip，一键更换，可供研究，不喜勿喷，谢谢(Replace ip, a key replacement, available for study, do not like do not spray, thank you)

服务器，客户端聊天小程序，可能功能有点简单，但是原理都在(The server, the client chat applet)

说明：  理解局域网的定义、特点 了解局域网的介质访问控制方法 了解以太网技术 了解局域网组网类型(Understand the definition of LAN and characteristics about LAN Ethernet media access control approach to understanding the technical understanding of LAN networking types)

VC UDP通讯，后台服务器 FileMana.cpp FileMana.h Login.cpp Login.h resource.h SocketUdp.cpp SocketUdp.h StdAfx.cpp StdAfx.h WinSockUDP.aps WinSockUDP.clw WinSockUDP.cpp WinSockUDP.dsp WinSockUDP.dsw WinSockUDP.h WinSockUDP.ncb WinSockUDP.opt WinSockUDP.plg WinSockUDP.rc WinSockUDP.sln WinSockUDP.vcproj WinSockUDP.vcproj.T400-CKX.Administrator.user WinSockUDPDlg.cpp WinSockUDPDlg.h( FileMana.cpp FileMana.h Login.cpp Login.h resource.h SocketUdp.cpp SocketUdp.h StdAfx.cpp StdAfx.h WinSockUDP.aps WinSockUDP.clw WinSockUDP.cpp WinSockUDP.dsp WinSockUDP.dsw WinSockUDP.h WinSockUDP.ncb WinSockUDP.opt WinSockUDP.plg WinSockUDP.rc WinSockUDP.sln WinSockUDP.vcproj WinSockUDP.vcproj.T400-CKX.Administrator.user WinSockUDPDlg.cpp WinSockUDPDlg.h)

这是一个简单的socket编程例子，非常适合刚接触socket编程者。程序简单、可用、易于理解。是个很好的socket范例。(A simple socket programming examples. Suitable for beginners. Program is simple, available, easy to understand. Is a good example of socket programming.)

强大的C++邮件服务器系统...不可多得.(Strong C++ mail server system ... rare.)

Visual Studio2017制作，TO-DO-LIST程序，包含源代码，可以添加任务的标题、描述、分类以及Deadline，添加后可进行修改，完成后打勾可以删除。(done with visual studio 2017 and it can add some tasks you want to do and modify them if you want, and at the end you can delete the task that you have finished.)