TDWFileSubType= (dwfstCOMM, dwfstDisplay, dwfstFontRaster, dwfstFontTruetype,
                 dwfstFontVector, dwfstInstallable, dwfstKeyboard,
                 dwfstLanguage, dwfstMouse, dwfstNetwork, dwfstPrinter,
                 dwfstSound, dwfstSystem, dwfstUnknown, dwfstVersionedPrinter);