static void Main ( string[] gsArgs )
        {
            
            using( Config config = new Config() ) // xml file into exe folder.
            {
                Report( config.Configuration.ReportFile, "Started on: " + DateTime.Now.ToString() );
                                
                if (!File.Exists("C:\\Convertopdf\\contertopdf.lock"))
                {
                    File.Create("C:\\Convertopdf\\contertopdf.lock");
                }
                else
                {
                    Report(config.Configuration.ReportFile, "File di Lock esistente, esco dal programma");
                    Report(config.Configuration.ReportFile, "Completed on: " + DateTime.Now.ToString());
                    Environment.Exit(-1);
                }


                Convert( config,gsArgs );
                Report( config.Configuration.ReportFile, "Completed on: " + DateTime.Now.ToString() );
                File.Delete("C:\\Convertopdf\\contertopdf.lock");
            }
        }