/// <summary>
        /// Writes out an updated field notes file
        /// </summary>
        private void UpdateFNFile()
        {
            string fnFile = m_Win.App.AppConfig.FieldNotesFile;

            FieldNotesHandler.ClearFieldNotes(fnFile);
            FieldNotesHandler.WriteToFile(m_Logs, fnFile);
        }
        protected virtual void OnDeleteAllClick(object sender, System.EventArgs e)
        {
            MessageDialog dlg = new MessageDialog(this, DialogFlags.Modal, MessageType.Warning, ButtonsType.YesNo,
                                                  Catalog.GetString("Are you sure you want to remove all field notes?"));

            try
            {
                if ((int)ResponseType.Yes == dlg.Run())
                {
                    FieldNotesHandler.ClearFieldNotes(m_Win.App.AppConfig.FieldNotesFile);
                    m_Logs.Clear();
                    PopulateLogs(m_Logs);
                }
                dlg.Hide();
                dlg.Dispose();
            }
            catch (Exception e1)
            {
                dlg.Hide();
                OCMApp.ShowException(e1);
            }
        }