## PdfDigitalSignatureT() {#constructor} Initializes an instance of this class. ```csharp public PdfDigitalSignatureT() ``` ## Examples Shows how to sign a saved PDF document digitally and timestam......PdfDigitalSignatureD(certificateHolder, "Test Signing", "Aspose Office", DateTime...PdfDigitalSignatureD(certificateHolder, "Test Signing", "Aspose Office", DateTime...