Описание тега nspopupbutton
The NSPopUpButton class defines objects that implement the pop-up and pull-down menus of the graphical user interface.
The NSPopUpButton class defines objects that implement the pop-up and pull-down menus of the graphical user interface. An NSPopUpButton object uses an NSPopUpButtonCell ( nspopupbuttoncell) object to implement its user interface.
Inherits from NSButton: NSControl: NSView: NSResponder: NSObject.