Verify Barcode signatures in the document

GroupDocs.Signature providesΒ BarcodeVerifyOptionsΒ classΒ to specify different options for verification of Barcode signatures.

Here are the steps to verify Barcode signature within the document with GroupDocs.Signature:

This example shows how to verify Barcode signature in the document.

using (Signature signature = new Signature("sample.pdf"))
{
    BarcodeVerifyOptions options = new BarcodeVerifyOptions()
    {
        AllPages = true, // this value is set by default
        Text = "John",
        MatchType = TextMatchType.Contains
        // set encode type
        // if this value is not set any barcode type will be valid
        EncodeType = BarcodeTypes.Code128
    };

    // verify document signatures
    VerificationResult result = signature.Verify(options);
    if (result.IsValid)
    {
        Console.WriteLine("\nDocument was verified successfully!");
    }
    else
    {
        Console.WriteLine("\nDocument failed verification process.");
    }
}

Advanced Usage Topics

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

More resources

GitHub Examples

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

Free Online Apps

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

To generate barcodes and/or sign your files with barcodes for free, you can use the Barcode Generator online app.

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