Delete Signatures of the certain types Leave feedback

GroupDocs.Signature provides overloaded deleteByTypes method that accepts list of the SignatureType enumeration values. This method writes the changed document to the file path or stream that you pass to it. To change the source document itself, pass the same path that you passed to the Signature constructor.

Here are the steps to delete signature by certain types from the document with GroupDocs.Signature:

• Create new instance of Signature class and pass source document path or its stream as a constructor parameter;
• Call Signature object deleteByTypes  method and pass list of the required SignatureType enumerations to it.

This example shows how to delete various signatures types from the document at once.

Signature signature = new Signature(outputFilePath);
{
	// compose the list of signature types to delete
	List<Integer> signedTypes = new ArrayList<Integer>();
	signedTypes.add(SignatureType.Text);
	signedTypes.add(SignatureType.Image);
	signedTypes.add(SignatureType.Barcode);
	signedTypes.add(SignatureType.QrCode);
	signedTypes.add(SignatureType.Digital);

	// deleting signatures from the document by signature types
	DeleteResult result = signature.deleteByTypes(outputFilePath,signedTypes);
	if (result.getSucceeded().size() > 0)
	{
		System.out.print("Following signatures were removed:");
		int number = 1;
		for(BaseSignature temp : result.getSucceeded())
		{
			System.out.print("Signature #"+number++ +": Type: "+temp.getSignatureType()+" Id:"+temp.getSignatureId()+". Created: "+temp.getCreatedOn());
		}
	}
	else
	{
		System.out.print("No one signature was deleted.");
	}
}

To learn more about document eSign features, please refer to the Advanced usage section.

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

Along with full-featured Java 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.