Hello,
I need to sign the existing PDF document.
In Help is written about class PdfDocumentBase this: "Represent common properties of PdfNewDocument and PdfLoadedDocument classes."
But Class PdfLoadedDocument doesn't exist in any assembly.
PdfDocument doc = new PdfDocument();
doc.LoadFromFile(@"..\..\sample.pdf");
PdfCertificate cert = new PdfCertificate(@"..\..\Demo.pfx", "e-iceblue");
foreach (PdfPageBase page in doc.Pages)
{
PdfSignature signature = new PdfSignature(page.Document, page, cert, "demo");
signature.ContactInfo = "Harry Hu";
signature.Certificated = true;
signature.DocumentPermissions = PdfCertificationFlags.AllowFormFill;
}
doc.SaveToFile("result.pdf");