docs: public void setControlValue(Object objValue)
      {
          short iFieldValue = 0;
          if (objValue instanceof Short)  // Always
              iFieldValue = ((Short)objValue).shortValue();
          for (int iBitNumber = 0; iBitNumber < this.getComponentCount(); iBitNumber++)
          {
              JCheckBox checkBox = (JCheckBox)this.getComponent(iBitNumber);
              boolean bState = ((iFieldValue & (1 << iBitNumber)) != 0);
              if (!m_bCheckedIsOn)
                  bState = !bState; // Do opposite operation
              checkBox.setSelected(bState);
          }
      }