NSUserDefaults.Notifications.ObserveNoCloudAccount 方法

定义

重载

ObserveNoCloudAccount(EventHandler<NSNotificationEventArgs>)

常量的强类型通知 NoCloudAccountNotification

ObserveNoCloudAccount(NSObject, EventHandler<NSNotificationEventArgs>)

常量的强类型通知 NoCloudAccountNotification

ObserveNoCloudAccount(EventHandler<NSNotificationEventArgs>)

常量的强类型通知 NoCloudAccountNotification

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

参数

handler
EventHandler<NSNotificationEventArgs>

发布通知时调用的方法。

返回

令牌对象,可用于停止接收通知,方法是释放通知或将其传递给 RemoveObservers(IEnumerable<NSObject>)

注解

此方法可用于订阅 NoCloudAccountNotification 通知。

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

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

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

适用于

ObserveNoCloudAccount(NSObject, EventHandler<NSNotificationEventArgs>)

常量的强类型通知 NoCloudAccountNotification

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

参数

objectToObserve
NSObject

要观察的对象。

handler
EventHandler<NSNotificationEventArgs>

发布通知时调用的方法。

返回

令牌对象,可用于停止接收通知,方法是释放通知或将其传递给 RemoveObservers(IEnumerable<NSObject>)

注解

此方法可用于订阅 NoCloudAccountNotification 通知。

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

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

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

适用于