public DialogResult ShowPreImportDialogs()
        {
            if (BeginWork != null)
            {
                BeginWork(this, new EventArgs());
            }


            DialogResult result;

            if (!_regSEReader.LoadCompleted)
            {
                var progressIndicator = new ProgressIndicator(_regSEReader);
                _regSEReader.StartLoadTracks();
                result = progressIndicator.ShowDialog();
                if (result != DialogResult.OK)
                {
                    if (EndWork != null)
                    {
                        EndWork(this, new EventArgs());
                    }
                    return(result);
                }
            }

            using (var dlg = new JJConnectRegistratorSETrackSelector {
                DeviceReader = _regSEReader
            })
            {
                result = dlg.ShowDialog();
                if (result == DialogResult.OK)
                {
                    _trackToImport = dlg.SelectedTrack;
                }
                dlg.Dispose();
            }

            if (EndWork != null)
            {
                EndWork(this, new EventArgs());
            }

            return(result);
        }
        public DialogResult ShowPreImportDialogs()
        {
            if (BeginWork != null) BeginWork(this, new EventArgs());

              DialogResult result;
              if (!_regSEReader.LoadCompleted)
              {
            var progressIndicator = new ProgressIndicator(_regSEReader);
            _regSEReader.StartLoadTracks();
            result = progressIndicator.ShowDialog();
            if (result != DialogResult.OK)
            {
              if (EndWork != null) EndWork(this, new EventArgs());
              return result;
            }
              }

              using (var dlg = new JJConnectRegistratorSETrackSelector { DeviceReader = _regSEReader })
              {
            result = dlg.ShowDialog();
            if (result == DialogResult.OK)
            {
              _trackToImport = dlg.SelectedTrack;
            }
            dlg.Dispose();
              }

              if (EndWork != null) EndWork(this, new EventArgs());

              return result;
        }