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AVSampleBufferDisplayLayer.Notifications.ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange Method

Definition

Overloads

ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange(EventHandler<NSNotificationEventArgs>)

Strongly typed notification for the OutputObscuredDueToInsufficientExternalProtectionDidChangeNotification constant.

public static Foundation.NSObject ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange(EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange : EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject

Parameters

handler
EventHandler<NSNotificationEventArgs>

The handler that responds to the notification when it occurs.

Returns

Token object that can be used to stop receiving notifications by either disposing it or passing it to RemoveObservers(IEnumerable<NSObject>).

Remarks

This method can be used to subscribe to OutputObscuredDueToInsufficientExternalProtectionDidChangeNotification notifications.

// Listen to all notifications posted for any object
var token = AVSampleBufferDisplayLayer.Notifications.ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange ((notification) => {
  Console.WriteLine ("Observed OutputObscuredDueToInsufficientExternalProtectionDidChangeNotification!");
};

// Stop listening for notifications
token.Dispose ();

Applies to

ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange(NSObject, EventHandler<NSNotificationEventArgs>)

Strongly typed notification for the OutputObscuredDueToInsufficientExternalProtectionDidChangeNotification constant.

public static Foundation.NSObject ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange(Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange : Foundation.NSObject * EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject

Parameters

objectToObserve
NSObject

The specific object to observe.

handler
EventHandler<NSNotificationEventArgs>

The handler that responds to the notification when it occurs.

Returns

Token object that can be used to stop receiving notifications by either disposing it or passing it to RemoveObservers(IEnumerable<NSObject>).

Remarks

This method can be used to subscribe to OutputObscuredDueToInsufficientExternalProtectionDidChangeNotification notifications.

// Listen to all notifications posted for a single object
var token = AVSampleBufferDisplayLayer.Notifications.ObserveOutputObscuredDueToInsufficientExternalProtectionDidChange (objectToObserve, (notification) => {
  Console.WriteLine ($"Observed OutputObscuredDueToInsufficientExternalProtectionDidChangeNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();

Applies to