private void IonMobilityLibraryChanged()
        {
            var calc = _driverIonMobilityLibraryListComboDriver.SelectedItem;

            if (calc != null)
            {
                try
                {
                    if (_predictor != null)
                    {
                        _predictor = _predictor.ChangeLibrary(calc);
                    }
                }
                catch (Exception e)
                {
                    MessageDlg.ShowException(this, e);
                }
            }
            UpdateControls();
        }