WinRTXamlToolkit.Controls.Extensions.ListViewBindableSelectionHandler.OnListViewSelectionChanged C# (CSharp) Method

        private void OnListViewSelectionChanged(
            object sender, SelectionChangedEventArgs e)
        {
            foreach (dynamic item in e.RemovedItems)
            {
                if (_boundSelection.Contains(item))
                {
                    _boundSelection.Remove(item);
                }
            }

            foreach (dynamic item in e.AddedItems)
            {
                if (!_boundSelection.Contains(item))
                {
                    _boundSelection.Add(item);
                }
            }
        }