Delete QR-code signatures from documents

GroupDocs.Signature provides QrCodeSignature class to manipulate QR-code signatures and delete them from the documents over Delete method.
Please be aware that Delete method modifies the same document that was passed to constructor of Signature class.

Here are the steps to delete QR-code signature from the document with GroupDocs.Signature:

This example shows how to delete QR-code signature that was found using Search method.

using (Signature signature = new Signature("signed.docx"))
{
    QrCodeSearchOptions options = new QrCodeSearchOptions();
    // search for QRCode signatures in document
    List<QrCodeSignature> signatures = signature.Search<QrCodeSignature>(options);
    if (signatures.Count > 0)
    {
        QrCodeSignature qrCodeSignature = signatures[0];
        bool result = signature.Delete(qrCodeSignature);
        if (result)
        {
            Console.WriteLine($"Signature with QR-Code '{qrCodeSignature.Text}' was deleted.");
        }
        else
        {
            Console.WriteLine($"Signature was not deleted from the document!");
        }
    }
}

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.