private async void OnSetAppRegion()
 {
     if (await GaeUtils.SetAppRegionAsync(CredentialsStore.Default.CurrentProjectId, _dataSource.Value))
     {
         Refresh();
     }
 }
 private async Task OnSetAppRegionCommandAsync()
 {
     if (await GaeUtils.SetAppRegionAsync(CredentialsStore.Default.CurrentProjectId, CurrentDataSource))
     {
         PublishDialog.TrackTask(ValidateGcpProjectState());
     }
 }