private async void Connection_ErrorOccurred(CastingConnection sender, CastingConnectionErrorOccurredEventArgs args)
{
if (args.ErrorStatus != CastingConnectionErrorStatus.Succeeded)
{
try
{
sender.StateChanged -= Connection_StateChanged;
sender.ErrorOccurred -= Connection_ErrorOccurred;
}
catch (Exception)
{
//We already unhooked.
}
await sender.DisconnectAsync();
sender.Dispose();
MediaCastingConnection = null;
//IsPlaying = false;
//ShutdownPreviousPlaybackSession();
await NepApp.UI.ShowInfoDialogAsync("Uh-Oh!", "An error occurred while casting: " + args.Message);
if (!await App.GetIfPrimaryWindowVisibleAsync())
{
var currentStation = await NepApp.Stations.GetStationByNameAsync(CurrentStream.ParentStation);
NepApp.UI.Notifier.ShowErrorToastNotification(currentStation, "Uh-Oh!", "An error occurred while casting: " + args.Message);
}
}
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
player.Pause();
InitialCastingPicker();
if (connection == null)
{
// 從按下的 button 出現 picker 内容
Button btn = sender as Button;
GeneralTransform transform = btn.TransformToVisual(Window.Current.Content as UIElement);
Point pt = transform.TransformPoint(new Point(0, 0));
picker.Show(new Rect(pt.X, pt.Y, btn.ActualWidth, btn.ActualHeight), Windows.UI.Popups.Placement.Above);
}
else
{
// 關掉現在的連綫，要記得去掉 event 注冊以免發生 memory leak
connection.ErrorOccurred -= Connection_ErrorOccurred;
connection.StateChanged -= Connection_StateChanged;
await connection.DisconnectAsync();
connection.Dispose();
connection = null;
}
}