模仿CAD利用c#编制的绘图程序，能够绘制基本的点线面，包括折线、曲线等，可以作为绘图开发的参考。 ()(Use c# imitate CAD drawing preparation program that can draw basic points, lines, including polylines, curves, etc., can be used as a reference plot development.)

仿制CAD画图功能，适合初学者入门学习使用(This is an application of seeming like CAD)