贝赛尔曲线，可改变控制点变化或者焦点变化

常用的Windows+API调用 怎样编写一个在USB接口读写数据的程序 HID设备的访问(Commonly used Windows+ API call how to prepare a USB interface to read and write data through HID equipment visit)

SVPWM源程序标注清晰、完整，对新手学习具有很大的帮助

检测NAT类型的客户端，程序中指定了服务器IP地址，用户可以自行修改(Detect NAT type of the client, the program specifies the server IP address, the user can modify)

Visual C++数字图像处理技术与工程案例，各章节源代码，这是第一章的代码(The Visual C++ digital image processing technology and engineering cases, the source code of each chapter, this is the first chapter of the code)

The best code virtualizer for x86 on winodws platform.

IB智慧公交系统是一款为公交驾驶员及调度员等开发的一款系统，驾驶员具有对公交的线路、站点、班次等信息的查询功能；调度员具有对公交的线路、站点、班次、排班等信息的修改、增加、删除、查询功能。(IB Intelligent Bus System is a system developed for bus drivers and dispatchers. The driver has the function of inquiring the information of bus routes, stations, shifts, etc. The dispatcher has the function of modifying, adding, deleting and inquiring the information of bus routes, stations, shifts and scheduling.)

TCP UDP测试工具 模拟发送接收数据例子

一个天气获取的小demo，使用c#语言，winfrom界面进行开发。可以获得现在比较关心的pm2.5等等，界面友好，使用简单

我收集的老外编的椭圆拟合算法，C++实现，输入一组XY数据就能求出椭圆参数(I collected foreigner series the oval fitting algorithm, C++, achieve)

说明：  很多C#类库源码 Json JS FTP 文件读写 文件夹读写 各种加密解密 XML操作(Many C# class library source Json JS FTP file read and write folders read and write various encryption and decryption XML operations)