Search for QR-Code e-signatures

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:

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

Signature signature = new Signature("sample.pdf");
QrCodeSearchOptions options = new QrCodeSearchOptions();
options.setAllPages(true); // this value is set by default

// search for signatures in document
List<QrCodeSignature> signatures =, options);
System.out.print("\nSource document contains following signatures.");
for (QrCodeSignature qrCodeSignature : signatures)
    System.out.print("QRCode signature found at page "+qrCodeSignature.getPageNumber() +" with type "+qrCodeSignature.getEncodeType() +" and text "+ qrCodeSignature.getText());

More resources

Advanced Usage Topics

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

GitHub Examples 

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

Free Online App 

Along with full-featured .NET library we provide simple, but powerful free Apps.
You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.