Sec. 4. (a) A proceeding commenced under this chapter may not be discontinued or settled without the court's approval. If the court determines that a proposed discontinuance or settlement will substantially affect the interest of the corporation's shareholders or a class of shareholders, the court shall direct that notice be given the shareholders affected.
(b) On termination of the proceeding, the court may require the plaintiff to pay any defendant's reasonable expenses, including attorney's fees, incurred in defending the proceeding if the court finds that the proceeding was commenced without reasonable cause.