private void SortingOrderChangedHandler(object sender, BocListSortingOrderChangeEventArgs bocListSortingOrderChangeEventArgs)
        {
            var bocList = (BocList)sender;

            TestOutput.SetActionPerformed(
                bocList.ID,
                -1,
                "SortingOrderChanged",
                string.Join(", ", bocListSortingOrderChangeEventArgs.NewSortingOrder.Select(nso => nso.Column.ItemID + "-" + nso.Direction.ToString()))
                );
        }
 private void ChildrenList_SortingOrderChanged(object sender, BocListSortingOrderChangeEventArgs e)
 {
 
 }