/**
  * Constructor
  *
  * @param QControl|QForm $objParentObject
  * @param null|string    $strControlId
  */
 public function __construct($objParentObject, $strControlId = null)
 {
     parent::__construct($objParentObject, $strControlId);
     $this->strLabelForInvalid = QApplication::Translate('Invalid Integer');
     $this->strDataType = QType::Integer;
 }