dxfnet 开源c# .net dxf文件读取库，支持AutoCAD2000到AutoCAD2013，同时支持读取文本和二进制dxf文件-netDxf is a .net library programmed in C# to read and write AutoCAD dxf files. It supports AutoCad2000, AutoCad2004, AutoCad2007, AutoCad2010 and AutoCad2013 dxf versions, in both

netDxf开源方便使用，解析auto cad格式-NetDxf open source to facilitate the use of analytical Auto CAD format

C# 操作dxf文件的源代码，里面有例子。是NetDxf(C # operation of the source code of the CAD DXF file, NetDxf, and source code examples)