EpgTimer.RecSettingView.comboBox_preSet_SelectionChanged C# (CSharp) Method

        private void comboBox_preSet_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            try
            {
                if (comboBox_preSet.SelectedItem != null)
                {
                    RecPresetItem item = comboBox_preSet.SelectedItem as RecPresetItem;
                    Settings.GetDefRecSetting(item.ID, ref recSetting);
                    UpdateView();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message + "\r\n" + ex.StackTrace);
            }
        }