共用方式為


AVAsset.Notifications.ObserveWasDefragmented 方法

定義

多載

ObserveWasDefragmented(EventHandler<NSNotificationEventArgs>)

常數的 WasDefragmentedNotification 強型別通知。

ObserveWasDefragmented(NSObject, EventHandler<NSNotificationEventArgs>)

常數的 WasDefragmentedNotification 強型別通知。

ObserveWasDefragmented(EventHandler<NSNotificationEventArgs>)

常數的 WasDefragmentedNotification 強型別通知。

public static Foundation.NSObject ObserveWasDefragmented(EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveWasDefragmented : EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject

參數

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

這個方法可以用來訂閱 WasDefragmentedNotification 通知。

// Listen to all notifications posted for any object
var token = AVAsset.Notifications.ObserveWasDefragmented ((notification) => {
	Console.WriteLine ("Observed WasDefragmentedNotification!");
};

// Listen to all notifications posted for a single object
var token = AVAsset.Notifications.ObserveWasDefragmented (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed WasDefragmentedNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();

適用於

ObserveWasDefragmented(NSObject, EventHandler<NSNotificationEventArgs>)

常數的 WasDefragmentedNotification 強型別通知。

public static Foundation.NSObject ObserveWasDefragmented(Foundation.NSObject objectToObserve, EventHandler<Foundation.NSNotificationEventArgs> handler);
static member ObserveWasDefragmented : Foundation.NSObject * EventHandler<Foundation.NSNotificationEventArgs> -> Foundation.NSObject

參數

objectToObserve
NSObject

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

這個方法可以用來訂閱 WasDefragmentedNotification 通知。

// Listen to all notifications posted for any object
var token = AVAsset.Notifications.ObserveWasDefragmented ((notification) => {
	Console.WriteLine ("Observed WasDefragmentedNotification!");
};

// Listen to all notifications posted for a single object
var token = AVAsset.Notifications.ObserveWasDefragmented (objectToObserve, (notification) => {
	Console.WriteLine ($"Observed WasDefragmentedNotification for {nameof (objectToObserve)}!");
};

// Stop listening for notifications
token.Dispose ();

適用於