public void DeleteSubscription(SubscriptionDescription subscription)
{
try
{
_manager.RemoveSubscription(Instance, subscription.Name);
_manager.UpdateTopic(Instance);
Subscriptions.Remove(subscription);
NotifyOfPropertyChange(() => Instance);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Delete subscription failed", MessageBoxButton.OK, MessageBoxImage.Error);
}
}