[]
Gets or sets the name of the principal signer of the document.
string SuggestedSigner { get; set; }
Property SuggestedSigner As String
ISignature signature = workbook.Signatures.AddSignatureLine(worksheet, 100.0, 50.0, 192.0, 100.5);
ISignatureSetup setup = signature.Setup;
setup.SuggestedSigner = "John Williams";
string suggestedSigner = setup.SuggestedSigner;