NSPopUpButtonCell class defines the visual appearance of pop-up buttons that display pop-up or pull-down menus. Pop-up menus present the user with a set of choices, much the way radio buttons do, but using much less space. Pull-down menus also provide a set of choices but present the information in a slightly different way, usually to provide a set of commands from which the user can choose.
- macOS 10.10+
NSPopUpButtonCell class implements the user interface for the
Changes made to a menu (such as adding, removing, or changing the items) are not apparent while the menu is being displayed or interacted with.