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TTMSFNCCustomDataGrid.GroupAverage Method

Shows the average of a column for every group.

API unit family: TMSFNCDataGrid Declaring type: TTMSFNCCustomDataGrid

Overloads

Overload 1

Shows the average of a column for every group.

FMX.TMSFNCDataGrid.hppPascalC++
procedure GroupAverage(AColumn: Integer); overload;

void __fastcall GroupAverage(int AColumn)/* overload */;

Remarks

Requires grouped data; the result is written into the group rows (or group summary rows, depending on the grouping options).

Parameters

Name Description
AColumn Zero-based column index.

Overload 2

Shows the average of several columns for every group.

FMX.TMSFNCDataGrid.hppPascalC++
procedure GroupAverage(AColumns: TArray<Integer>; ACalculationOptionsCallback: TTMSFNCDataGridDataGetColumnCalculationOptionsCallback = nil); overload;

void __fastcall GroupAverage(System::DynamicArray<int> AColumns, Fmx::Tmsfncdatagriddata::_di_TTMSFNCDataGridDataGetColumnCalculationOptionsCallback ACalculationOptionsCallback = Fmx::Tmsfncdatagriddata::_di_TTMSFNCDataGridDataGetColumnCalculationOptionsCallback())/* overload */;

Parameters

Name Description
AColumns Array of zero-based column indices.
ACalculationOptionsCallback Optional callback to supply per-column calculation options.