[UE 5.3+] Is there a way to detect when a combo box closes?

Title. I really wouldn’t want to have a tick checking all the time if it’s open or not on each combo box.

There’s an event that fires when the combo box opens, but not for when it closes; is there any workaround for this? Preferably in blueprints, but if it’s only possible with C++ then that works as well. I need it working for both mouse and gamepad.

Thank you!