VB.NET画图，绘出各种各样的线，比如有弧度的线，圆形、椭圆形、直线等，点击窗体下边的按钮即可生成对应的曲线，注意，本源码是基于VB.NET，不能在VB6.0环境下打开-VB.NET drawing, draw the various lines, such as the curvature of the line, a circular, elliptical, linear, button click the form below to generate the corresponding