private void btnSaveConfig_Click(object sender, RoutedEventArgs e)
 {
     SettingsLib.SettingsManager manager = new SettingsLib.SettingsManager();
     try
     {
         DragonflyConfig config = new DragonflyConfig()
         {
             DbConfiguration = DbConfiguration
         };
         manager.SaveConfiguration(config);
     }
     catch (Exception ex)
     {
         MessageBox.Show($"Error on config saving {ex.ToString()}");
     }
 }
        private void InitializeConfiguration()
        {
            SettingsLib.SettingsManager manager = new SettingsLib.SettingsManager();
            DragonflyConfig             config  = null;

            try
            {
                config = manager.LoadConfiguration();
            }
            catch { }

            if (config == null)
            {
                config = new DragonflyConfig();
            }

            DbConfiguration = config.DbConfiguration;
        }