PdfRpt.AggregateProvider.initializeFunction C# (CSharp) Method

        private void initializeFunction(AggregateFunction aggregateFunction)
        {
            switch (aggregateFunction)
            {
                case AggregateFunction.Average:
                    ColumnAggregateFunction = new Average { DisplayFormatFormula = DisplayFormatFormula };
                    break;
                case AggregateFunction.Maximum:
                    ColumnAggregateFunction = new Maximum { DisplayFormatFormula = DisplayFormatFormula };
                    break;
                case AggregateFunction.Minimum:
                    ColumnAggregateFunction = new Minimum { DisplayFormatFormula = DisplayFormatFormula };
                    break;
                case AggregateFunction.StdDev:
                    ColumnAggregateFunction = new StdDev { DisplayFormatFormula = DisplayFormatFormula };
                    break;
                case AggregateFunction.Sum:
                    ColumnAggregateFunction = new Sum { DisplayFormatFormula = DisplayFormatFormula };
                    break;
                case AggregateFunction.Variance:
                    ColumnAggregateFunction = new Variance { DisplayFormatFormula = DisplayFormatFormula };
                    break;
                case AggregateFunction.Empty:
                    ColumnAggregateFunction = new Empty { DisplayFormatFormula = DisplayFormatFormula };
                    break;
                default:
                    throw new NotSupportedException("Please select a defined IAggregateFunction.");
            }
        }