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XML: Format signature
To add whitespace formatting to the text or before/after element in the signature you need to handle TElXMLSigner.OnFormatText and TElXMLSigner.OnFormatElement events.
The sample code, that shows how to use those events, can be found in {SecureBlackbox}\Samples\{language}\XMLBlackbox\AdvancedSigner directory or {SecureBlackbox}\Samples\{language}\XMLBlackbox\Signer directory after you install SecureBlackbox on your computer .
