pressAndHoldTouchBar
The bar that is displayed when a user press-and-holds on the popover item.
Declaration
var pressAndHoldTouchBar: NSTouchBar? { get set }Discussion
This NSTouchBar can be the same as the one used for the popoverTouchBar property, but does not have to be.
When non-nil this touch bar is displayed while the user holds their finger down on the collapsed representation of the popover item. When the user raises their finger, this bar disappears.