此程序实现了VC读取CAD文件DXF文件格式数据的文件，并且能够写入！希望能够帮助大家！-This program to achieve VC read the CAD file DXF file format data files, and be able to write! I hope we can help!

vc++开发arx,用于cad二次开发,这个是讲实体选择等,不错的-Vc++ development arx for cad secondary development, and this is the entity selection, good