This guide describes how to improve your document with generated QR code using C#. Sign your documents with a QR Code and various standard QR code elements like Event QR Code, contact QR Code as VCard or MeCard, SEPA payment QR Code using GroupDocs.Signature .NET API by GroupDocs....06 , 19 , 17 , 0 , 0 ) }; // setup qrcode signature options QrCodeSignOptions...result = new MemoryStream (); // setup QR Code signature options QrCodeSignOptions...