TTMSFNCDataGridData.GroupCalculation Method

Generic group aggregate with an explicit method enum; adds or updates the summary in the group header row for AColumn.

API unit family: TMSFNCDataGridData Declaring type: TTMSFNCDataGridData

Overloads

Overload 1

Generic group aggregate with an explicit method enum; adds or updates the summary in the group header row for AColumn.

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

Parameters

Name	Description
AColumn	Zero-based column index used by the operation.
AMethod	Mode or type that controls the operation.
ACalculationOptionsCallback	Callback invoked by the operation.
ACustomCalculationCallback	Callback invoked by the operation.

Overload 2

Generic group aggregate over multiple columns with an explicit method enum.

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

Parameters

Name	Description
AColumns	Zero-based column index used by the operation.
AMethod	Mode or type that controls the operation.
ACalculationOptionsCallback	Callback invoked by the operation.
ACustomCalculationCallback	Callback invoked by the operation.