private void SeeListPerformance(object sender, RoutedEventArgs e)
{
var button = sender as Button;
var show = button.CommandParameter as Show;
PerformanceList performanceList = new PerformanceList(show);
this.Content = performanceList;
}
private void BackToPerformance_Click(object sender, RoutedEventArgs e)
{
UIElement shopElement = TreeUI.GetElementByName("Shop");
Grid shopGrid = (Grid)shopElement;
shopGrid.Children.Clear();
PerformanceList performanceList = new PerformanceList(_performance.GetShow());
shopGrid.Children.Add(performanceList);
}