使用VC6.0下的MFC实现.是一次图形图像作业.有画直线,画圆和画填色的多边形的功能.直线.线有粗细,虚实的区别.并且可以设定颜色-Under the MFC implementation using VC6.0. Is a graphic image operations. Have to draw lines, circles and coloring polygon drawing functions. Line. Line has thickness, the difference b