/// <summary>
        ///  Read all objects in a file
        /// </summary>
        /// <param name="fileName">The text file. May contain only one or multiple objects</param>
        /// <returns>List of ApplicationObjects</returns>
        public static List <ApplicationObject> ReadNavObjects(string fileName)
        {
            TxtFileModelInfo modelInfo = new TxtFileModelInfo();
            TxtImporter      importer  = new TxtImporter(modelInfo);

            try
            {
                using (var instream = new FileStream(fileName, FileMode.Open))
                {
                    List <ApplicationObject> objects = importer.ImportFromStream(instream);
                    if (objects != null && objects.Count > 0)
                    {
                        return(objects);
                    }
                    else
                    {
                        Console.WriteLine(@"Object could not be read from file {0}", fileName);
                    }
                }
            }
            catch (Microsoft.Dynamics.Nav.Model.IO.Txt.TxtImportException e)
            {
                Console.WriteLine(@"Exception while reading {0}: {1}", fileName, e.Message);
                Console.WriteLine(@"Source line {0}, col {1}: {2}", e.LineNo, e.LinePos, e.Line);
            }
            catch (System.IO.IOException e)
            {
                Console.WriteLine(@"Exception while reading {0}: {1}", fileName, e.Message);
            }
            return(new List <ApplicationObject>());
        }
        public void LoadFromTextFile(string fileName)
        {
            Stream           sourceStream     = new FileStream(fileName, FileMode.Open);
            TxtImportOptions txtImportOptions = new TxtImportOptions();
            TxtImporter      txtImporter      = new TxtImporter(TxtFileModelInfo.Instance, txtImportOptions);

            this.AppObjects = txtImporter.ImportFromStream(sourceStream);
            sourceStream.Close();
            sourceStream.Dispose();
        }