for (int i = 0; i < 10; i++) doGoBack(); tuneBoardPainter();
do10PrevMoves();
  public Rectangle doReviewAction(int keyCode) {    if (keyCode == canvas.KEY_10PREVMOVES) {      for (int i = 0; i < 10; i++)        doGoBack();      tuneBoardPainter();      return canvas.getBoardPainter().getDrawArea();    } else if (keyCode == canvas.KEY_10NEXTMOVES) {      for (int i = 0; i < 10; i++)        doGoNext();      tuneBoardPainter();      return canvas.getBoardPainter().getDrawArea();    }    return null;  }