说明：  C#_GDI+编程教程，使用C#进行图形图像编程基础，其中包括GDI+绘图基础、C#图像处理基础以及简单的图像处理技术
(C#_GDI+ programming tutorial, the use of C# graphics graphics programming, including the basis of GDI+ graphics, C# image processing based and simple image processing technology)