RIP协议

说明：  图书馆客户端，基于MFC的vc++源码，请参考(Library Client Xi said he hopes that the two countries will earnestly implement the consensus reached by him and Trump during the U.S. president's visit to China last November.)

MSComm控件串口通信编程，第一次作业。(MSComm control serial communication programming, the first operation.)

用VC++下用ADO两节Access数据库，实现对Access的操作(With VC++ next two Access database with ADO, to achieve the operation of Access)

lpc1752 制作的HID USB小键盘(the lpc1752 production HID USB keypad)

fins协议的vb编程，对开发工业控制软件的朋友有借鉴意义(fins omron plc vb programe )

说明：  今天给大家带来使用文本文件作为数据源的 ComboBox中国城市三级联动的代码。 1.地区库更新非常方便，不会影响到其他功能（区划代码是唯一的）。 2.文本文件读取来速度很快。(n the past, I used VB6 to write an example of three-level linkage of ComboBox in Chinese cities, using MDB database. A few years ago, the code, the regional database is not the latest. Today we bring you the code of ComboBox, which uses text files as data sources, for three-level linkage of Chinese cities. 1. The regionalization library updates are very convenient and will not affect other functions (regionalization code is the only one). 2. Text files are read very fast.)

光纤嵌入式毛细管电泳检测系统（vc），用与检测荧光信号并且画曲线。()

反垃圾邮件技术研究现状及解决办法。用于邮件服务器研究(Anti-Spam)

CharSample的VS2019工程版本，经过了整理和调试，包含了代码、工具、实验截图。(A full VS2019 solution for the CharSample driver, which include code, tool and the screenshot for the experiment. The code provided is tested.)

VC6.0环境下实现的数字显示时间和日期的一个数字钟表，主要运用了C++的继承。(VC6.0 environment figures show the time and date of a digital watch, mainly use the C++ succession.)