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