NSWindow.DidBecomeMainMessage
A message that reports that the window object became the main window.
Declaration
struct DidBecomeMainMessageDiscussion
Use this message to observe the didBecomeMainNotification notification using Swift concurrency.
Topics
Creating a message
Getting the message’s values
See Also
Related Documentation
Notifications
didBecomeKeyNotificationNSWindow.DidBecomeKeyMessagedidBecomeMainNotificationdidChangeScreenNotificationNSWindow.DidChangeScreenMessagedidChangeScreenProfileNotificationNSWindow.DidChangeScreenProfileMessagedidDeminiaturizeNotificationNSWindow.DidDeminiaturizeMessagedidEndSheetNotificationNSWindow.DidEndSheetMessagedidEndLiveResizeNotificationNSWindow.DidEndLiveResizeMessagedidExposeNotificationNSWindow.DidExposeMessage