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TTMSFNCCustomDataGrid.GroupCount Method

Shows the number of rows of every group for a column.

API unit family: TMSFNCDataGrid Declaring type: TTMSFNCCustomDataGrid

Overloads

Overload 1

Shows the number of rows of every group for a column.

FMX.TMSFNCDataGrid.hppPascalC++
procedure GroupCount(AColumn: Integer; ACalculationOptionsCallback: TTMSFNCDataGridDataGetColumnCalculationOptionsCallback = nil); overload;

void __fastcall GroupCount(int AColumn, Fmx::Tmsfncdatagriddata::_di_TTMSFNCDataGridDataGetColumnCalculationOptionsCallback ACalculationOptionsCallback = Fmx::Tmsfncdatagriddata::_di_TTMSFNCDataGridDataGetColumnCalculationOptionsCallback())/* overload */;

Parameters

Name Description
AColumn Zero-based column index.
ACalculationOptionsCallback Optional callback to supply per-column calculation options.

Overload 2

Shows the number of rows of every group for several columns.

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

void __fastcall GroupCount(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.