@Override
    public int hashCode() {
      int result = super.hashCode();
      result = 31 * result + (myAlignment != null ? myAlignment.hashCode() : 0);
      result = 31 * result + (myIcon != null ? myIcon.hashCode() : 0);
      result = 31 * result + (myTooltipText != null ? myTooltipText.hashCode() : 0);
      return result;
    }
@Override
    public int hashCode()