Prado\Web\UI\WebControls\TReCaptcha2::setTabIndex PHP Method

If other elements in your page use tabindex, it should be set to make user navigation easier. Default: 0

public setTabIndex ( $value )

    public function setTabIndex($value)
    {
        $this->setViewState('TabIndex', TPropertyValue::ensureInteger($value), 0);
    }

TReCaptcha2