Prado\Web\UI\TControlAdapter::onLoad PHP Метод

    public function onLoad($param)
    {
        $this->_control->onLoad($param);
    }

 /**
  * Starts viewstate tracking if necessary after when controls has been loaded
  */
 public function onLoad($param)
 {
     if ($this->getIsTrackingPageState()) {
         $stateTrackerClass = $this->_stateTrackerClass;
         $this->_stateTracker = new $stateTrackerClass($this->getControl());
         $this->_stateTracker->trackChanges();
     }
     parent::onLoad($param);
 }