Prado\Web\UI\WebControls\TCheckBoxList::setEnabled PHP Method

    public function setEnabled($value)
    {
        parent::setEnabled($value);
        $value = !TPropertyValue::ensureBoolean($value);
        // if this is an active control,
        // and it's a callback,
        // and we can update clientside,
        // then update the 'disabled' attribute of the items.
        if ($this instanceof IActiveControl && $this->getPage()->getIsCallBack() && $this->getActiveControl()->canUpdateClientSide()) {
            $items = $this->getItems();
            $cs = $this->getPage()->getCallbackClient();
            $baseClientID = $this->getClientID() . '_c';
            foreach ($items as $index => $item) {
                $cs->setAttribute($baseClientID . $index, 'disabled', $value);
            }
        }
    }