willCloseNotification
A notification that the window object is about to close.
Declaration
class let willCloseNotification: NSNotification.NameDiscussion
The notification object is the NSWindow object that’s about to close. This notification doesn’t contain a userInfo dictionary.
To observe this notification using Swift concurrency, use NSWindow.WillCloseMessage.
See Also
Notifications
didBecomeKeyNotificationdidBecomeMainNotificationdidChangeScreenNotificationdidChangeScreenProfileNotificationdidDeminiaturizeNotificationdidEndSheetNotificationdidEndLiveResizeNotificationdidExposeNotificationdidMiniaturizeNotificationdidMoveNotificationdidResignKeyNotificationdidResignMainNotificationdidResizeNotificationdidUpdateNotificationwillBeginSheetNotification