MPMoviePlayerController.Notifications.ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
多載
ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange(EventHandler<NSNotificationEventArgs>)
public static Foundation.NSObject ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange (EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange : EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject
參數
- handler
- EventHandler<NSNotificationEventArgs>
張貼通知時叫用的方法。
傳回
權杖物件,可用來停止接收通知,方法是處置通知或傳遞至 RemoveObservers(IEnumerable<NSObject>)
備註
這個方法可用來訂閱 MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification 通知。
// Listen to all notifications posted for any object
var token = MPMoviePlayerController.Notifications.ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange ((notification) => {
Console.WriteLine ("Observed MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = MPMoviePlayerController.Notifications.ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();
適用於
ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange(NSObject, EventHandler<NSNotificationEventArgs>)
public static Foundation.NSObject ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange (Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange : Foundation.NSObject * EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject
參數
- objectToObserve
- NSObject
要觀察的物件。
- handler
- EventHandler<NSNotificationEventArgs>
張貼通知時叫用的方法。
傳回
權杖物件,可用來停止接收通知,方法是處置通知或傳遞至 RemoveObservers(IEnumerable<NSObject>)
備註
這個方法可用來訂閱 MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification 通知。
// Listen to all notifications posted for any object
var token = MPMoviePlayerController.Notifications.ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange ((notification) => {
Console.WriteLine ("Observed MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = MPMoviePlayerController.Notifications.ObserveMPMoviePlayerIsAirPlayVideoActiveDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed MPMoviePlayerIsAirPlayVideoActiveDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();