Aspose::Words::Fields::FieldDisplayBarcode::get_ErrorCorrectionLevel method. Gets or sets an error correction level of QR Code. Valid values are [0, 3] in C++....field -> set_BarcodeType ( u "ITF14" ); field -> set_BarcodeValue...DISPLAYBARCODE 09312345678907 ITF14 \\ c STD" , field -> GetFieldCode...