API Reference QRCodeReader_FMX ZXing.OneD.UPCEANExtension5Support TUPCEANExtension5Support Class On this page Definition Methods Definition Unit: ZXing.OneD.UPCEANExtension5Support Package: QRCodeReader_FMX Delphi Copy type TUPCEANExtension5Support = class(TObject) Inheritance TObject TUPCEANExtension5Support Methods decodeMiddle(IBitArray, TArray<Integer>, TStringBuilder) decodeRow(Integer, IBitArray, TArray<Integer>) determineCheckDigit(Integer, Integer) extensionChecksum(string) parseExtension5String(string) parseExtensionString(string) Parses the extension string.