pullsDown
A Boolean value that indicates the behavior of the button’s menu.
Declaration
var pullsDown: Bool { get set }Discussion
When the value of this property is true, the menu behaves like a pull-down menu; when the value is false, it behaves like a pop-up menu. If you use this property to change the menu type from a pop-up menu to a pull-down menu, and the cell alters the state of its selected items, the state of the currently selected item is set to NSOffState before the menu type is changed.