HVAC

harmonic_3phase--3相谐波例子，自己编写！！初学者应该有一些参考价值(harmonic_3phase-- 3 phase Harmonic example, the preparation of their own! ! Beginners should be some reference value)

VB qq空间留言工具，init模拟发送数据包，模拟腾讯MD5加密传输账号密码(VB the qq space Message tool, init simulated send packets analog Tencent MD5 encrypted transmission account password)

基于局域网通信的聊天代码,可以实现自动弹出消息提示(The chat code based on LAN communication, can realize the automatic pop-up message prompt)

自宣言型记时器，可以自定义记时方式，标题，时间长度等。(Since the Declaration type chronograph, you can customize chronograph, title, time, length and so on.)

基于逆波兰法的计算器程序，该计算器支持小数输入和正负数输入，支持四则运算以及指数运算，也支持括号的使用。(Reverse Polish law based calculator program, the calculator supports input and negative decimal number input, support four operations and index calculation, and also supports the use of parentheses.)

用于将txt格式数据，转换为.dat格式的数据，便于CASS处理。(Txt format for the data is converted to. Dat format, easy CASS processing.)

Vc++读写csv文件的类，这个资源是读写CSV文件的非常实用的类。方法写得非常好，代码也写得非常简洁，很合适在实际项目中使用。经本人测试，只要把上面的代码CSVOperator.h、CSVOperator.cpp和StringParser.h拷贝到项目中，就可以直接使用。在CSV_OP.cpp文件中，main方法里面有详细的读取文件的方法。读取的是config.csv这个文件。(Class Vc++ read and write csv file, this resource is to read and write CSV file very useful class. The method is very good, the code is written in a very simple, very suitable for use in the actual project. I tested, above code CSVOperator.h the, CSVOperator.cpp and StringParser.h copy to the project, can be used directly. In the CSV_OP.cpp file, the main method inside the detailed method of reading the file. Read this file config.csv.)

Implement the base class of the control panel

属于C++里继承与派生类的小程序，主要是多层派生里的指针继承问题，仅供参考(Belonging C++ inheritance and derived classes in a small program, mainly derived pointers in multilayer succession for reference purposes only)

VB编写的超级卸载工具源代码,有需要的就下载吧。(Super uninstall tool written in VB source code, there is a need to download it.)