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