API Reference QRCodeReader_FMX ZXing.Common.ReedSolomon.GenericGF TGenericGFPoly TGenericGFPoly.addOrSubtract Method On this page Definition Definition Unit: ZXing.Common.ReedSolomon.GenericGF Package: QRCodeReader_FMX Delphi Copy function addOrSubtract(other: IGenericGFPoly): IGenericGFPoly Parameters other IGenericGFPoly Returns IGenericGFPoly