QControlBase::MoveChildControlDown PHP Method

    public function MoveChildControlDown($strControlId)
    {
        if (array_key_exists($strControlId, $this->objChildControlArray)) {
            $this->objChildControlArray[$strControlId]->MoveDownInParent();
        } else {
            throw new QCallerException('Child control does not exist: ' . $strControlId);
        }
    }