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:

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

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

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

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

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:

• 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

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.