TTMSFNCCustomDataGrid.GroupCalculation Method

Runs a built-in aggregate calculation on a column and stores the result in group summary rows.

API unit family: TMSFNCDataGrid Declaring type: TTMSFNCCustomDataGrid

Overloads

Overload 1

Runs a built-in aggregate calculation on a column and stores the result in group summary rows.

procedure GroupCalculation(AColumn: Integer; AMethod: TTMSFNCDataGridDataCalculationMethod; ACalculationOptionsCallback: TTMSFNCDataGridDataGetColumnCalculationOptionsCallback = nil; ACustomCalculationCallback: TTMSFNCDataGridDataCustomColumnCalculationCallback = nil); overload;

Parameters

Name	Description
AColumn	Zero-based column index.
AMethod	Calculation method to apply.
ACalculationOptionsCallback	Optional callback to supply per-column calculation options.
ACustomCalculationCallback	Optional callback for a fully custom calculation.

Overload 2

Runs a built-in aggregate calculation on multiple columns and stores results in group summary rows.

procedure GroupCalculation(AColumns: TArray<Integer>; AMethod: TTMSFNCDataGridDataCalculationMethod; ACalculationOptionsCallback: TTMSFNCDataGridDataGetColumnCalculationOptionsCallback = nil; ACustomCalculationCallback: TTMSFNCDataGridDataCustomColumnCalculationCallback = nil); overload;

Parameters

Name	Description
AColumns	Array of zero-based column indices.
AMethod	Calculation method to apply.
ACalculationOptionsCallback	Optional callback to supply per-column calculation options.
ACustomCalculationCallback	Optional callback for a fully custom calculation.