docs: public void setControlValue(Object objValue)
      {
          boolean bSelected = false;
          if (objValue instanceof Boolean)
          {
              bSelected = ((Boolean)objValue).booleanValue();
          }
          else if (objValue instanceof String)
          {
              String strValue = objValue.toString();
              if (strValue.length() > 0)
              {
                  if ((Character.toUpperCase(strValue.charAt(0)) == 'T')
                      || (Character.toUpperCase(strValue.charAt(0)) == 'Y'))
                          bSelected = true;
              }
          }
          this.setSelected(bSelected);
      }