private void TurtlesimSubscribe_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (_subscriber != null)
{
_subscriber.UnsubscribeAsync();
_subscriber = null;
}
}
public async Task UnsubscribeAsync(CancellationToken token)
{
token.ThrowIfCancellationRequested();
if (Subscriber == null)
{
return;
}
BagListener = null;
if (subscriberId != null)
{
await Subscriber.UnsubscribeAsync(subscriberId, token);
subscriberId = null;
}
Subscriber = null;
}
