Prado\Web\UI\TControlCollection::removeAt PHP Метод

removeAt() публичный Метод

This overrides the parent implementation by performing additional cleanup work when removing a child control.
public removeAt ( $index ) : mixed
Результат mixed the removed item.
    public function removeAt($index)
    {
        $item = parent::removeAt($index);
        if ($item instanceof TControl) {
            $this->_o->removedControl($item);
        }
        return $item;
    }