didBecomeMainNotification
A notification that the window object became the main window.
Declaration
class let didBecomeMainNotification: NSNotification.NameDiscussion
The notification object is the NSWindow object that has become the main window. This notification doesn’t contain a userInfo dictionary.
To observe this notification using Swift concurrency, use NSWindow.DidBecomeMainMessage.
See Also
Notifications
didBecomeKeyNotificationdidChangeScreenNotificationdidChangeScreenProfileNotificationdidDeminiaturizeNotificationdidEndSheetNotificationdidEndLiveResizeNotificationdidExposeNotificationdidMiniaturizeNotificationdidMoveNotificationdidResignKeyNotificationdidResignMainNotificationdidResizeNotificationdidUpdateNotificationwillBeginSheetNotificationwillCloseNotification