AVSampleBufferDisplayLayer.Notifications.ObserveDisplayLayerReadyForDisplayDidChange Method
Definition
Important
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Overloads
| Name | Description |
|---|---|
| ObserveDisplayLayerReadyForDisplayDidChange(EventHandler<NSNotificationEventArgs>) |
Strongly typed notification for the DisplayLayerReadyForDisplayDidChangeNotification constant. |
| ObserveDisplayLayerReadyForDisplayDidChange(NSObject, EventHandler<NSNotificationEventArgs>) |
Strongly typed notification for the DisplayLayerReadyForDisplayDidChangeNotification constant. |
ObserveDisplayLayerReadyForDisplayDidChange(EventHandler<NSNotificationEventArgs>)
Strongly typed notification for the DisplayLayerReadyForDisplayDidChangeNotification constant.
public static Foundation.NSObject ObserveDisplayLayerReadyForDisplayDidChange(EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveDisplayLayerReadyForDisplayDidChange : 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 DisplayLayerReadyForDisplayDidChangeNotification notifications.
// Listen to all notifications posted for any object
var token = AVSampleBufferDisplayLayer.Notifications.ObserveDisplayLayerReadyForDisplayDidChange ((notification) => {
Console.WriteLine ("Observed DisplayLayerReadyForDisplayDidChangeNotification!");
};
// Stop listening for notifications
token.Dispose ();
Applies to
ObserveDisplayLayerReadyForDisplayDidChange(NSObject, EventHandler<NSNotificationEventArgs>)
Strongly typed notification for the DisplayLayerReadyForDisplayDidChangeNotification constant.
public static Foundation.NSObject ObserveDisplayLayerReadyForDisplayDidChange(Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveDisplayLayerReadyForDisplayDidChange : 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 DisplayLayerReadyForDisplayDidChangeNotification notifications.
// Listen to all notifications posted for a single object
var token = AVSampleBufferDisplayLayer.Notifications.ObserveDisplayLayerReadyForDisplayDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed DisplayLayerReadyForDisplayDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();