protected function PropertyToDOMNode($oDOMNode, $sProperty, $value)
 {
     if ($sProperty == 'icon') {
         $oIconField = $this->oModelReflection->GetIconSelectionField('icon');
         $oIconField->ValueToDOMNode($oDOMNode, $value);
     } else {
         parent::PropertyToDOMNode($oDOMNode, $sProperty, $value);
     }
 }