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UIApplication.Notifications.ObserveContentSizeCategoryChanged Method

Definition

Overloads

ObserveContentSizeCategoryChanged(EventHandler<UIContentSizeCategoryChangedEventArgs>)

Strongly typed notification for the ContentSizeCategoryChangedNotification constant.

public static Foundation.NSObject ObserveContentSizeCategoryChanged(EventHandler<UIKit.UIContentSizeCategoryChangedEventArgs> handler);
static member ObserveContentSizeCategoryChanged : EventHandler<UIKit.UIContentSizeCategoryChangedEventArgs> -> Foundation.NSObject

Parameters

handler
EventHandler<UIContentSizeCategoryChangedEventArgs>

The handler that responds to the notification when it occurs.

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 to ContentSizeCategoryChangedNotification notifications.

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

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

Applies to

ObserveContentSizeCategoryChanged(NSObject, EventHandler<UIContentSizeCategoryChangedEventArgs>)

Strongly typed notification for the ContentSizeCategoryChangedNotification constant.

public static Foundation.NSObject ObserveContentSizeCategoryChanged(Foundation.NSObject objectToObserve, EventHandler<UIKit.UIContentSizeCategoryChangedEventArgs> handler);
static member ObserveContentSizeCategoryChanged : Foundation.NSObject * EventHandler<UIKit.UIContentSizeCategoryChangedEventArgs> -> Foundation.NSObject

Parameters

objectToObserve
NSObject

The specific object to observe.

handler
EventHandler<UIContentSizeCategoryChangedEventArgs>

The handler that responds to the notification when it occurs.

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 to ContentSizeCategoryChangedNotification notifications.

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

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

Applies to