TTMSFNCDataGrid.ColumnCalculation Method

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

API unit family: TMSFNCDataGrid Declaring type: TTMSFNCDataGrid Inherited from: TTMSFNCCustomDataGrid

Overloads

Overload 1

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

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

Parameters

Name	Description
AColumn	Zero-based column index.
AMethod	Calculation method (sum, average, min, max, count, etc.).
ACalculationOptionsCallback	Optional callback to supply per-row 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 the associated summary rows.

procedure ColumnCalculation(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 (sum, average, min, max, count, etc.).
ACalculationOptionsCallback	Optional callback to supply per-row calculation options.
ACustomCalculationCallback	Optional callback for a fully custom calculation.