Aspose::Words::DigitalSignatures::DigitalSignatureUtil::Sign method. Signs source document using given CertificateHolder with digital signature and writes signed document to destination stream. Supported formats are: Doc, Dot, Docx, Dotx, Docm, Dotm, Odt, Ott.Output will be written to the start of stream and stream size will be updated with content length in C++....stem::IO::Stream>&, const System::SharedPtr<System::IO::Stream>&...System :: SharedPtr < System :: IO :: Stream > & srcStream , const...