private void ProgressBar1_OnValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e) { if (ProgressBar1.Value >= Timeforpresentingoneplayer * 100) { if (_enumeratedCompetitors.MoveNext()) { CurrentViewedPlayerUserControl.DataContext = _enumeratedCompetitors.Current; StartCounting(); } else { PlayerPresenter.Visibility = Visibility.Collapsed; } } }