public async Task<object> Execute( MetroWindow window, object args )
{
var dialog = new AddSeriesDialog();
var tcs = new TaskCompletionSource<uint>();
var vm = dialog.DataContext as AddSeriesDialogViewModel;
Debug.Assert( vm != null, "vm != null" );
vm.Reset();
vm.CloseRequested += ( s, e ) =>
{
dialog.Close();
tcs.TrySetResult( e.Result != true ? 0 : vm.SelectedSeries.Model.SeriesId );
};
await window.ShowChildWindowAsync( dialog );
return await tcs.Task;
}
