This example shows how to verify QR-code signature in the document.
Signaturesignature=newSignature("sample.pdf");QrCodeVerifyOptionsoptions=newQrCodeVerifyOptions();options.setAllPages(true);// this value is set by default
options.setText("John");options.setMatchType(TextMatchType.Contains);// verify document signatures
VerificationResultresult=signature.verify(options);if(result.isValid()){System.out.print("\nDocument was verified successfully!");}else{System.out.print("\nDocument failed verification process.");}
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:
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.
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