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

    public function ensureChildControls()
    {
        if (!($this->_flags & self::IS_CHILD_CREATED) && !($this->_flags & self::IS_CREATING_CHILD)) {
            try {
                $this->_flags |= self::IS_CREATING_CHILD;
                if (isset($this->_rf[self::RF_ADAPTER])) {
                    $this->_rf[self::RF_ADAPTER]->createChildControls();
                } else {
                    $this->createChildControls();
                }
                $this->_flags &= ~self::IS_CREATING_CHILD;
                $this->_flags |= self::IS_CHILD_CREATED;
            } catch (Exception $e) {
                $this->_flags &= ~self::IS_CREATING_CHILD;
                $this->_flags |= self::IS_CHILD_CREATED;
                throw $e;
            }
        }
    }