}         // SetRangeColumnToBounds

        // ----------------------------------------------------------------------
        private bool IsFillColumn(GridViewColumn gridViewColumn)
        {
            if (gridViewColumn == null)
            {
                return(false);
            }

            GridView view = listView.View as GridView;

            if (view == null || view.Columns.Count == 0)
            {
                return(false);
            }

            bool?isFillColumn = RangeColumn.GetRangeIsFillColumn(gridViewColumn);

            return(isFillColumn.HasValue && isFillColumn.Value);
        }         // IsFillColumn