screensDidSleepNotification
A notification that the workspace posts when the device’s screen goes to sleep.
Declaration
class let screensDidSleepNotification: NSNotification.NameDiscussion
The notification object is the shared NSWorkspace instance. The notification doesn’t contain a userInfo dictionary.
Not many apps use this notification, but it can be useful for certain hardware-based drawing decisions, for example when using OpenGL.
See Also
Responding to Environment Notifications
willLaunchApplicationNotificationdidLaunchApplicationNotificationdidTerminateApplicationNotificationsessionDidBecomeActiveNotificationsessionDidResignActiveNotificationdidHideApplicationNotificationdidUnhideApplicationNotificationdidActivateApplicationNotificationdidDeactivateApplicationNotificationdidRenameVolumeNotificationdidMountNotificationwillUnmountNotificationdidUnmountNotificationdidChangeFileLabelsNotificationactiveSpaceDidChangeNotification