AVRouteDetector.Notifications.ObserveMultipleRoutesDetectedDidChange 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
ObserveMultipleRoutesDetectedDidChange(EventHandler<NSNotificationEventArgs>)
public static Foundation.NSObject ObserveMultipleRoutesDetectedDidChange(EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveMultipleRoutesDetectedDidChange : EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject
參數
- handler
- EventHandler<NSNotificationEventArgs>
當通知發生時,回應通知的處理常式。
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 P:AVFoundation.AVRouteDeteCtor.MultipleRoutesDetectedDidChangeNotification通知。
// Listen to all notifications posted for any object
var token = AVRouteDetector.Notifications.ObserveMultipleRoutesDetectedDidChange ((notification) => {
Console.WriteLine ("Observed MultipleRoutesDetectedDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = AVRouteDetector.Notifications.ObserveMultipleRoutesDetectedDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed MultipleRoutesDetectedDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();
適用於
ObserveMultipleRoutesDetectedDidChange(NSObject, EventHandler<NSNotificationEventArgs>)
public static Foundation.NSObject ObserveMultipleRoutesDetectedDidChange(Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveMultipleRoutesDetectedDidChange : Foundation.NSObject * EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject
參數
- objectToObserve
- NSObject
要觀察的特定物件。
- handler
- EventHandler<NSNotificationEventArgs>
當通知發生時,回應通知的處理常式。
傳回
權杖物件,可用來停止接收通知,方法是處置通知或傳遞至 RemoveObservers(IEnumerable<NSObject>)
備註
這個方法可用來訂閱 P:AVFoundation.AVRouteDeteCtor.MultipleRoutesDetectedDidChangeNotification通知。
// Listen to all notifications posted for any object
var token = AVRouteDetector.Notifications.ObserveMultipleRoutesDetectedDidChange ((notification) => {
Console.WriteLine ("Observed MultipleRoutesDetectedDidChangeNotification!");
};
// Listen to all notifications posted for a single object
var token = AVRouteDetector.Notifications.ObserveMultipleRoutesDetectedDidChange (objectToObserve, (notification) => {
Console.WriteLine ($"Observed MultipleRoutesDetectedDidChangeNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();