Aspose::Words::Drawing::SignatureLine::get_Id Method. Gets or sets identifier for this signature line. This identifier can be associated with a digital signature, when signing document using DigitalSignatureUtil. This value must be unique and by default it is randomly Generated new Guid (NewGuid) in C++....Aspose::Words::Drawing::SignatureLine::get_Id method SignatureLine::get_Id...SignatureLine::get_Id method Gets or sets identifier for this signature...