Search for Barcode e-signatures

GroupDocs.Signature provides an easy and straightforward way to find all Barcode signatures that are present in a document.
For the most simpler use case - just find all Barcode signatures within document its only needed to instantiate BarcodeSearchOptions class and pass it to search method.

Here are the exact steps to search for Barcode signatures within the document with GroupDocs.Signature:

This example shows how to search for Barcode signature in the document.

Signature signature = new Signature("sample.pdf");
BarcodeSearchOptions options = new BarcodeSearchOptions();
// search for signatures in document
List<BarcodeSignature> signatures =, options);
System.out.print("\nSource document contains following signatures.");
for (BarcodeSignature barcodeSignature : signatures)
    System.out.print("Barcode signature found at page "+barcodeSignature.getPageNumber()+" with type "+barcodeSignature.getEncodeType()+" and text "+ barcodeSignature.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.