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