kCMGenlockClockNotification_DisplayGenlockModeChanged
Posted when the display mode changes from genlock to non-genlock or vice versa.
Declaration
let kCMGenlockClockNotification_DisplayGenlockModeChanged: CFStringDiscussion
Observe this notification using CMNotificationCenterAddListener on the default local CMNotificationCenter. The notification payload dictionary contains a CFBoolean value for the key kCMGenlockClockNotificationPayload_AnyDisplayIsSynchronizedToLockedGenlockSignal.