次程序是数据结构中的很多代码的整合，特别其中是对DXF文件的读写-The second program is the integration of data structures in a lot of code, in particular in which the read and write DXF files

DXF控件，delphi中实现DXF文件的读写！-DXF Control , Read and Write DXF file in Delphi program.