static int Main(string[] args)

        {
            if (args.Length == 0)
            {
                Logger.MessageToFile("Laserfiche PDF to TIFF did not receive an entry id.");
                return(-1);
            }
            else
            {
                Logger.MessageToFile("Started looking at conversion....");
                /* CONSTANTS */
                string Laserfiche_server     = ConfigurationManager.AppSettings["LaserficheServer"];
                string Laserfiche_repository = ConfigurationManager.AppSettings["LaserficheRepository"];
                string Laserfiche_user       = ConfigurationManager.AppSettings["LaserficheUser"];
                string Laserfiche_password   = ConfigurationManager.AppSettings["LaserfichePassword"];
                string temp_save_folder      = ConfigurationManager.AppSettings["TemporarySaveFolder"];
                /* Ghostscript specific parameters */
                string tiff_image_resolution = "-r" + ConfigurationManager.AppSettings["TiffImageResolution"];
                string tiff_image_type       = "-sDEVICE=" + ConfigurationManager.AppSettings["TiffImageType"];
                string inputMime;
                /* VARIABLES */
                int    entry_id       = Int32.Parse(args[0]);
                string message_id     = "Laserfiche Entry#" + entry_id + "(" + Laserfiche_repository + ")";
                string message_id_eol = message_id + ".";

                /* LASERFICHE SESSION */
                RepositoryRegistration repositoryRegistration = new RepositoryRegistration(Laserfiche_server, Laserfiche_repository);
                Session LaserficheSession = new Session
                {
                    IsSecure = false
                };
                LaserficheSession.LogIn(Laserfiche_user, Laserfiche_password, repositoryRegistration);

                /* LASERFICHE OBJECTS */
                LaserficheReadStream electronicDocument = Document.ReadEdoc(entry_id, out inputMime, LaserficheSession);
                DocumentInfo         document           = Document.GetDocumentInfo(entry_id, LaserficheSession);
                EntryInfo            entry = Entry.GetEntryInfo(entry_id, LaserficheSession);

                /* UNLOCK ENTRIES JUST IN CASE */
                document.Unlock();
                entry.Unlock();

                /* LENGTH OF PDF FILE / Byte Array */
                MemoryStream memoryStream = new MemoryStream();
                electronicDocument.CopyTo(memoryStream);
                byte[] byteArray = memoryStream.ToArray();

                /* LASERFICHE VARS - EXTRA INFORMATION */
                string fileExt = document.Extension.ToString();

                /* EXPORT PDF and convert to TIFFs */
                if (document.PageCount == 0 && inputMime == "application/pdf")
                {
                    Logger.MessageToFile("Started downloading PDF for " + message_id_eol);
                    /* Save PDF */
                    string     pdf_file_path = temp_save_folder + document.Id.ToString() + '.' + fileExt;
                    FileStream fileStream    = new FileStream(pdf_file_path, FileMode.Create, FileAccess.ReadWrite);
                    fileStream.Write(byteArray, 0, byteArray.Length);

                    fileStream.Close();

                    /* Ghostscript Variables */
                    var    pdf_file_info  = new FileInfo(pdf_file_path);
                    string tiff_file_path = Path.Combine(temp_save_folder, pdf_file_info.Name.Replace(pdf_file_info.Extension, ".tiff"));

                    /* delete the TIFF if it is already there....*/
                    if (File.Exists(tiff_file_path))
                    {
                        File.Delete(tiff_file_path);
                    }

                    /* Extract TIFF from PDF using Ghostscript DLL ... */
                    /* MORE INFORMATION ABOUT GHOSTSCRIPT : https://www.ghostscript.com/doc/current/Use.htm */
                    /* -dNOPAUSE -dBATCH keeps ghostscript from prompting user input */
                    /* -dSAFER enables access controls on files. https://www.ghostscript.com/doc/current/Use.htm#Safer */

                    try
                    {
                        Logger.MessageToFile("Started ghostscript conversion for " + message_id_eol);
                        string[] argv = new string[] { "PDF2TIFF", "-q", "-sOutputFile=" + tiff_file_path, "-dNOPAUSE", "-dBATCH", "-P-", "-dSAFER", tiff_image_type, tiff_image_resolution, pdf_file_path };
                        Ghostscript.Run(argv);
                    }
                    catch (Exception e)
                    {
                        Logger.MessageToFile("FAIL : Ghostscript conversion for " + message_id_eol);
                        Logger.MessageToFile(e.ToString());
                        Environment.Exit(0);
                    }
                    finally
                    {
                        Logger.MessageToFile("SUCCESS : Downloading / converting PDF to TIFF for " + message_id_eol);
                        try
                        {
                            DocumentImporter documentImporter = new DocumentImporter
                            {
                                Document = document
                            };
                            documentImporter.ImportImages(tiff_file_path);
                        }
                        catch (Exception e)
                        {
                            Logger.MessageToFile("FAIL : importing pages to " + message_id_eol);
                            Logger.MessageToFile(e.ToString());
                            Environment.Exit(0);
                        }
                        finally
                        {
                            Logger.MessageToFile("SUCCESS : imported pages to " + message_id_eol);
                            File.Delete(pdf_file_path);
                            File.Delete(tiff_file_path);
                            memoryStream.Close();
                            electronicDocument.Close();
                            document.Dispose();
                            entry.Dispose();
                            LaserficheSession.Close();
                            LaserficheSession.Discard();
                        }
                    }
                    Logger.MessageToFile("SUCCESS : " + message_id + " uploaded with a total of " + document.PageCount + " pages.");
                    return(document.PageCount);
                }
                else
                {
                    Logger.MessageToFile("BYPASS : "******" already had pages generated / " + document.PageCount + " pages.");
                    return(document.PageCount);
                }
            }
        }