2D/3D DXF Import and View VCL
DXF VCL tools for Borland Delphi and C++Builder developers. TGraphic descendants for every format. TGraphic viewer provided. DCU or Delphi source code. The world's fastest DXF reader. High quality: hatches, splines, viewports. Royalty free licensing.
http://www.cadsofttools.com/download/CADImportVCL.zip - 2Mb - Download - Screenshot

2D/3D CAD Import VCL
CAD Import VCL is an easy-to-use API for using AutoCAD DWG, DXF, Hewlett-Packard HPGL, SVG and CGM file formats in Delphi/C++Builder applications. Main CAD Import VCL features: - CAD extentions: *. dwg; *. dxf; *. plt; *. hgl;*. hg;*. hpg; *. plo;*. ... - Easy drawing with TCanvas, TImage, TOpenPictureDialog and other standard classes - Full control of every layer and any element of it - Supporting three-dimensional coordinates - High speed for reading all formats - CAD Import VCL implements quick and exact reading of DXF/DWG/HPGL files and manipulating them using TGraphic...
http://www.cadsofttools.com/download/cadimportvcl.zip - 5Mb - Download - Screenshot