PdfRpt.FluentInterface.DefaultHeaderProviderBuilder.GroupHeaderCells C# (CSharp) Method

        public void GroupHeaderCells(Action<HeaderCellsBuilder> headerCellsBuilder)
        {
            Func<IList<CellData>, IList<SummaryCellData>, List<CellAttributes>> func = (rowdata, summaryData) =>
            {
                var builder = new HeaderCellsBuilder { RowData = rowdata, SummaryData = summaryData };
                headerCellsBuilder(builder);
                return builder.HeaderCells;
            };

            _defaultHeaderProvider.GroupHeaderCells = func;
        }