AVAssetTrack.Notifications.ObserveTrackAssociationsDidChange Method
Definition
Important
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Overloads
| ObserveTrackAssociationsDidChange(EventHandler<NSNotificationEventArgs>) |
Strongly typed notification for the TrackAssociationsDidChangeNotification constant. |
| ObserveTrackAssociationsDidChange(NSObject, EventHandler<NSNotificationEventArgs>) |
Strongly typed notification for the TrackAssociationsDidChangeNotification constant. |
ObserveTrackAssociationsDidChange(EventHandler<NSNotificationEventArgs>)
Strongly typed notification for the TrackAssociationsDidChangeNotification constant.
public static Foundation.NSObject ObserveTrackAssociationsDidChange (EventHandler<Foundation.NSNotificationEventArgs> handler);static member ObserveTrackAssociationsDidChange : EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObjectParameters
- 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 for TrackAssociationsDidChangeNotification notifications.
// Listen to all notifications posted for any object
var token = AVAssetTrack.Notifications.ObserveTrackAssociationsDidChange ((notification) => {
Console.WriteLine ("Observed TrackAssociationsDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = AVAssetTrack.Notifications.ObserveTrackAssociationsDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed TrackAssociationsDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();
Applies to
ObserveTrackAssociationsDidChange(NSObject, EventHandler<NSNotificationEventArgs>)
Strongly typed notification for the TrackAssociationsDidChangeNotification constant.
public static Foundation.NSObject ObserveTrackAssociationsDidChange (Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);static member ObserveTrackAssociationsDidChange : Foundation.NSObject * EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObjectParameters
- objectToObserve
- NSObject
The specific object to observe.
- handler
- EventHandler<NSNotificationEventArgs>
The handler that responds to the notification when it occurs.
Returns
Token object that can be used to stop receiving notifications by either disposing it or passing it to RemoveObservers(IEnumerable<NSObject>)
Remarks
This method can be used to subscribe for TrackAssociationsDidChangeNotification notifications.
// Listen to all notifications posted for any object
var token = AVAssetTrack.Notifications.ObserveTrackAssociationsDidChange ((notification) => {
Console.WriteLine ("Observed TrackAssociationsDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = AVAssetTrack.Notifications.ObserveTrackAssociationsDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed TrackAssociationsDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();