How to hide "participant" button in mainwindow?

In some scenario I want to hide participant button because I want to disable renaming alias/send message by student. How can I implement it?

Hi guan_bj,

Thanks for the post. We do not have such interface to hide the “participant” button, however, you can redirect the event when a user clicks this button by implementing the interface IMeetingConfiguration::RedirectClickParticipantListBTNEvent(). Once you get the event, you can implement the callback IMeetingUIControllerEvent::onParticipantListBtnClicked() to redefine the functionalities behind this button, and to achieve what you want.

Let me know if you have any questions. Thanks!