Example Pascal:
uses Dialogs, Vcl.OleAuto; var c: OleVariant; begin c:=CreateOleObject('CADConverter.CADConverterX'); C.Convert('c:\test\source.dwg', 'c:\test\dest.pdf', '-cPDF -log c:\test\CAD.log'); IF c.ErrorMessage Then ShowMessage(c.ErrorMessage); end;