picturebox有的属性基本上都有，扩展的图形方法有： DrawBezier DrawRoundRect DrawCurve DrawPie DrawPolygon DrawCircle DrawLine GetRGB 扩展的图像处理方法主要有： GetPictureData ShowPicture Invert GrayScale Exposal HistGramEqualize LogCalc ExpCalc ClearIsolatePoint Brightness Aver

picturebox有的属性基本上都有，扩展的图形方法有： DrawBezier DrawRoundRect DrawCurve DrawPie DrawPolygon DrawCircle DrawLine GetRGB 扩展的图像处理方法主要有： GetPictureData ShowPicture Invert GrayScale Exposal HistGramEqualize LogCalc ExpCalc ClearIsolatePoint Brightness AverageFil

这是c 语言中，很好用的画直线源代码，它可以画直线，几何图形，椭圆，等-This is the c language, a good draw a straight line with the source code, it can draw straight lines, geometric shapes, oval, etc.

图像的坐标的获取，非常简单的小程序，使用与初学者。-To obtain the image coordinates, very simple small program, the use of beginners.