TheCadLibisnotaComputerAidedDesign(CAD)program.Itisatoolfor creatingDXFfilesthatareusedintheCADprograms.Itconsistsoftwoparts. OneofthemisaDynamicLinkLibrarytocreatetheDXFfile.Theotherpartis theprogramminginterface.Itisaclassthatintegratesthefu