startPointerDrag abstract method

bool startPointerDrag({
  1. required bool enabled,
  2. required bool modifierActive,
  3. required FdcGridCellRef target,
  4. required FdcGridCellRef? selectedCell,
})

Starts pointer-driven range extension at target.

Returns false when range selection is unavailable or the gesture should remain owned by normal cell selection.

Implementation

bool startPointerDrag({
  required bool enabled,
  required bool modifierActive,
  required FdcGridCellRef target,
  required FdcGridCellRef? selectedCell,
});