public Scenario3_ChooseControl() { this.InitializeComponent(); UserControl mediaControl; // If the MediaPlayerElement class is available, then create a user control that uses it. // Otherwise, create a user control that uses the older MediaElement control. if (ApiInformation.IsTypePresent("Windows.UI.Xaml.Controls.MediaPlayerElement")) { mediaControl = new MPEUserControl(); } else { mediaControl = new MEUserControl(); } // Insert the control into our page. MediaPlayerPlacement.Children.Add(mediaControl); }