一个基于VC++的几何图形绘制程序，可以画圆形、椭圆、长方形等，还可以选择线条的颜色，程序比较简单，VC++初学者可参考。-A based on VC++ the geometry drawing program, you can draw round, oval, rectangular, etc., you can choose the color of the lines, the procedure is relatively simple, VC++ beginners can refer to.