Prado\Web\UI\ActiveControls\TActivePageAdapter::getCallbackEventTarget PHP 메소드

    public function getCallbackEventTarget()
    {
        if ($this->_callbackEventTarget === null) {
            $eventTarget = $this->getRequest()->itemAt(TPage::FIELD_CALLBACK_TARGET);
            if (!empty($eventTarget)) {
                $this->_callbackEventTarget = $this->getPage()->findControl($eventTarget);
            }
        }
        return $this->_callbackEventTarget;
    }