Prado\Web\UI\TControl::removedControl PHP Метод

    public function removedControl($control)
    {
        if ($this->_namingContainer) {
            $this->_namingContainer->clearNameTable();
        }
        $control->unloadRecursive();
        $control->_parent = null;
        $control->_page = null;
        $control->_namingContainer = null;
        $control->_tplControl = null;
        //$control->_stage=self::CS_CONSTRUCTED;
        if (!($control->_flags & self::IS_ID_SET)) {
            $control->_id = '';
        } else {
            unset($this->_rf[self::RF_NAMED_OBJECTS][$control->_id]);
        }
        $control->clearCachedUniqueID(true);
    }

 /**
  * Removes an item at the specified position.
  * This overrides the parent implementation by performing additional
  * cleanup work when removing a child control.
  * @param integer the index of the item to be removed.
  * @return mixed the removed item.
  */
 public function removeAt($index)
 {
     $item = parent::removeAt($index);
     if ($item instanceof TControl) {
         $this->_o->removedControl($item);
     }
     return $item;
 }