Prado\Web\UI\WebControls\THotSpot::setViewState PHP Method

setViewState() protected method

This function is very useful in defining setter functions for control properties that must be kept in viewstate. Make sure that the viewstate value must be serializable and unserializable.
protected setViewState ( $key, $value, $defaultValue = null )
    protected function setViewState($key, $value, $defaultValue = null)
    {
        if ($value === $defaultValue) {
            unset($this->_viewState[$key]);
        } else {
            $this->_viewState[$key] = $value;
        }
    }