Posted by a ceTe Software moderator
Hello,
Enabling the timestamping with a valid certificate will make the signature LTV. You can refer to the documentation on adding time stamps to signatures and certificates
here. Also below is a code sample.
Document document = new Document();
Page page = new Page();
// Create & add Signature Form Field
Signature signature = new Signature("SigField", 10, 10, 250, 100);
page.Elements.Add(signature);
document.Pages.Add(page);
Certificate certificate = new Certificate(@"Path for valid certificate", "password");
document.Sign("SigField", certificate, true);
string pdfFilePath = @"Path to save the PDF";
document.Draw(pdfFilePath);
Thanks,
ceTe Software Support Team