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VB to achieve real multi-threaded operation of the code can go

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)

程序中输出日志保存下来的好东西，只要调用里面的一个方法就可以将日志保存到硬盘上了(Preserved in the output log program a good thing, as long as there' s a method call can be saved to the hard drive on the log)

用引用的方法求二维数组的最大值及其下标,谭浩强书上的(Use the methods to controls.)

说明：  可求任意长整数的加减法，输入格式为1，1111，1111类型的格式(Rectifiable arbitrary long integer addition and subtraction, enter the format type of format 1,1111,1111)

小型VB图片管理系统（Access）,有需要的就下载吧。(Small VB Image Management System (Access), there is a need to download it.)

VB仿PhotoShop功能进行图像旋转,有需要的就下载吧。~(VB imitation PhotoShop image rotation function and has the need to download it. ~)

VB将数据库导出到TXT文本文件中,有需要的就下载吧。(VB database export to TXT text file, there is a need to download it.)

说明：  win32 opengl画线,配置好了glut,h(Win32 opengl draws lines, and glut,h is configured)

对地址薄的初学测试,自己写的,希望对大家有所启发吧(Address book for novice test, write your own, we hope to inspire it)