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UIKeyboard.Notifications.ObserveWillHide Method

Definition

Overloads

Name Description
ObserveWillHide(EventHandler<UIKeyboardEventArgs>)

Strongly typed notification for the WillHideNotification constant.

ObserveWillHide(NSObject, EventHandler<UIKeyboardEventArgs>)

Strongly typed notification for the WillHideNotification constant.

ObserveWillHide(EventHandler<UIKeyboardEventArgs>)

Strongly typed notification for the WillHideNotification constant.

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

Parameters

handler
EventHandler<UIKeyboardEventArgs>

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 WillHideNotification notifications.

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

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

Applies to

ObserveWillHide(NSObject, EventHandler<UIKeyboardEventArgs>)

Strongly typed notification for the WillHideNotification constant.

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

Parameters

objectToObserve
NSObject

The specific object to observe.

handler
EventHandler<UIKeyboardEventArgs>

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 WillHideNotification notifications.

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

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

Applies to