TTMSFNCDataGrid.GroupCustomCalculation Method

Runs a custom calculation callback on a column and stores results in group summary rows.

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

Overloads

Overload 1

Runs a custom calculation callback on a column and stores results in group summary rows.

procedure GroupCustomCalculation(AColumn: Integer; ACalculationOptionsCallback: TTMSFNCDataGridDataGetColumnCalculationOptionsCallback = nil; ACustomCalculationCallback: TTMSFNCDataGridDataCustomColumnCalculationCallback = nil); overload;

Parameters

Name	Description
AColumn	Zero-based column index.
ACalculationOptionsCallback	Optional callback to supply per-column calculation options.
ACustomCalculationCallback	Callback that computes the custom value.

Overload 2

Runs a custom calculation callback on multiple columns and stores results in group summary rows.

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

Parameters

Name	Description
AColumns	Array of zero-based column indices.
ACalculationOptionsCallback	Optional callback to supply per-column calculation options.
ACustomCalculationCallback	Callback that computes the custom value.