How to search for QR code signatures Leave feedback

When you search for electronic signatures of QR-Code type inside document with GroupDocs.Signature it’s only needed to QrCodeSearchOptions object to Search method. Here are the quick guide of how to search for QR-code signatures:

• Create new instance of Signature class and pass source document path as a constructor parameter;
• Instantiate the QrCodeSearchOptions object according to your requirements and specify search options;
• Call Search method of Signature class instance and pass QrCodeSearchOptions to it.

The code snippet below demonstrates search for QR-code signature in the document.

            using (Signature signature = new Signature("sample.pdf"))
            {
                // search for signatures in document
                List<QrCodeSignature> signatures = signature.Search<QrCodeSignature>(SignatureType.QrCode);

                Console.WriteLine("\nSource document contains following signatures.");
                foreach (var QrCodeSignature in signatures)
                {
                    Console.WriteLine("QRCode signature found at page {0} with type {1} and text {2}", QrCodeSignature.PageNumber, QrCodeSignature.EncodeType, QrCodeSignature.Text);
                }
            }

To learn more about document eSign features, please refer to the advanced usage section.

You may easily run the code above and see the feature in action in our GitHub examples:

• GroupDocs.Signature for .NET examples, plugins, and showcase
• GroupDocs.Signature for Java examples, plugins, and showcase
• Document Signature for .NET MVC UI Example
• Document Signature for .NET App WebForms UI Example
• Document Signature for Java App Dropwizard UI Example
• Document Signature for Java Spring UI Example

Along with the full-featured .NET library, we provide simple but powerful free online apps.

To sign PDF, Word, Excel, PowerPoint, and other documents you can use the online apps from the GroupDocs.Signature App Product Family.