C#二维CAD制图软件，可以画简单的图形，并支持文件读取和保存-C#-D CAD drawing software, you can draw simple graphics, and supporting documents to read and save the

csharp+arcEngine 开发的加载、显示CAD数据的平台。-csharp+ arcEngine development load, display CAD data platform.

一个用C#编写的参数化cad源代码，对于学习参数化cad编程的人员很有用-a parameter CAD source code developed by C#, which is very useful for the people who is studying parameter cad programming