The FlexGraphics document importer based on CAD import library by 
Soft Gold Ltd. It can import such file extensions: dwg, dxf, plt, hgl, hg, hpg, 
plo, hp, hp1, hp2, hpgl, hpgl2, gl2, prn, spl, rtl, cgm, svg, svgz.
To compile needs:

- FlexGraphics library package installed:
  FlexDX.dpk - for Delphi or FlexCX.bpk for C++Builder where X - IDE version.  

- CADImporter.dll - Soft Gold CAD library to import vector graphic files.
  This file should be placed in the project folder. You can download free demo 
  version here:   
  http://www.cadsofttools.com/en/products/cad_importer_dll.html
  
To use CAD import capabilities in other projects (FlexEdit/FlexEditSE)
follow the steps:
- Copy CADImporter.dll into the project folder.
- Copy FormatCAD folder into the project folder.
- Add "FormatCAD" into the "Search Path" project option.
- Include FormatCADFiles.pas in the project.