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加法计算器，主要实现两个数加减运算，用来练习MFC中基本控件的使用(Addition calculator, the main achievement subtract two numbers, used to practice the basic control the use of MFC)

VB与EXCEL的交互连接，VB对EXCEL的写入，VB读出EXCEL的数值(VB and EXCEL interconnect)

说明：  上位机ccd接收程序,很不错的,欢迎大家下载(visual)

遗传算法解决TSP旅行商问题（可计算30个城市），用Visual C++编写，希望对大家有所帮助。(Genetic algorithm to solve TSP traveling salesman problem (calculate 30 cities), written in Visual C++, we want to help.)

孙鑫C++教程2 C++语言面向对象简析(Sun Xin C++ Tutorial 2 C++ language Object-Oriented Analysis)

提取ACCESS文件中的密码，不需要暴力破解。从文件中的某一字段直接解密(ACCESS extract document password, do not need to break the violence. From the document directly to decrypt a field)

说明：  2进制10进制16进制转换（包括整数小数）使用数组进行编程(Hex converter )

VC环境下创建VPN连接的RASENTRY结构体参数设置(VC environment to create VPN connections RASENTRY structure parameter)

一个简单的计算器程序，实现了加、减、乘、除计算(A simple calculator program to achieve the add, subtract, multiply, divide computing)

VC++ 源码编译实现的计时器小程序，比较简易的计时器，比秒要再快一些，不过这个时间频率是可以调的，如图所示，点击开始计时功能，计时器就开始工作了，可看到数字在不停的增大。(Timer applets VC++ source compiler implementation, relatively simple timer than seconds again faster, but this time frequency can be adjusted, as shown, click the start timing function the timer began working, can be see the numbers kept increasing.)