public void Delete()
        {
            var result = MessageBox.Show(
                string.Format("Are you sure you want to delete the queue {0}? This action cannot be undone.", Instance.Path),
                "Delete Queue", MessageBoxButton.YesNo, MessageBoxImage.Question);

            if (result == MessageBoxResult.Yes)
            {
                _manager.DeleteQueue(Instance.Path);
            }
        }