用于给C#初学者使用的基本程序，方便新手的使用和入门-C# for beginners to the basic procedures used to facilitate the use of novice and entry-

本代码演示了使用C#操作autocad的大部分功能，基于CAD2004，原创内容，希望对您有所帮助-The C# code demonstrates the use of most of the functions operating autocad, based CAD2004, original content, I hope for your help