static void Main(string[] args) { PDFNet.Initialize(); // Create a PDF Package. try { using (PDFDoc doc = new PDFDoc()) { AddPackage(doc, input_path + "numbered.pdf", "My File 1"); AddPackage(doc, input_path + "newsletter.pdf", "My Newsletter..."); AddPackage(doc, input_path + "peppers.jpg", "An image"); AddCovePage(doc); doc.Save(output_path + "package.pdf", SDFDoc.SaveOptions.e_linearized); Console.WriteLine("Done."); } } catch (PDFNetException e) { Console.WriteLine(e.Message); } // Extract parts from a PDF Package. try { using (PDFDoc doc = new PDFDoc(output_path + "package.pdf")) { doc.InitSecurityHandler(); pdftron.SDF.NameTree files = NameTree.Find(doc, "EmbeddedFiles"); if (files.IsValid()) { // Traverse the list of embedded files. NameTreeIterator i = files.GetIterator(); for (int counter = 0; i.HasNext(); i.Next(), ++counter) { string entry_name = i.Key().GetAsPDFText(); Console.WriteLine("Part: {0}", entry_name); FileSpec file_spec = new FileSpec(i.Value()); Filter stm = file_spec.GetFileData(); if (stm != null) { string fname = output_path + "extract_" + counter.ToString() + ".pdf"; stm.WriteToFile(fname, false); } } } } Console.WriteLine("Done."); } catch (PDFNetException e) { Console.WriteLine(e.Message); } }