private void OnNavigated(object sender, System.Windows.Navigation.NavigationEventArgs e) { string url = e.Uri.OriginalString; if (PhoneHelper.IsMedia(url)) { MediaPlayerLauncher launcher = new MediaPlayerLauncher(); launcher.Media = new Uri(url, UriKind.RelativeOrAbsolute); launcher.Show(); } this.loader.Stop(); this.browser.Visibility = Visibility.Visible; }