procedure TForm1.StringGrid1MouseWheelDown(Sender: TObject; Shift: TShiftState; MousePos: TPoint; var Handled: Boolean);begin StringGrid1.Row:=StringGrid1.Row-1;end;procedure TForm1.StringGrid1MouseWheelUp(Sender: TObject; Shift: TShiftState; MousePos: TPoint; var Handled: Boolean);begin StringGrid1.Row:=StringGrid1.Row+1;end;