TTMSFNCDataGridDataCustomRowCalculationCallback Event Type
Computes a custom aggregate for a row over an inclusive column range.
API unit family: TMSFNCDataGridData
Remarks
The callback is used only for a custom calculation. It reads the source cells through the owning data instance; the range bounds identify which columns participate and are not modified by the callback.
Parameters
| Name | Description |
|---|---|
ARow |
Zero-based index of the row being calculated. |
AFromColumn |
First zero-based column index included in the calculation. |
AToColumn |
Last zero-based column index included in the calculation. |
Returns
The aggregate value to format and write to the calculation output cell.