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NSTextInputContext.Notifications.ObserveKeyboardSelectionDidChange Method

Definition

Overloads

ObserveKeyboardSelectionDidChange(EventHandler<NSNotificationEventArgs>)

Strongly typed notification for the KeyboardSelectionDidChangeNotification constant.

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

Parameters

handler
EventHandler<NSNotificationEventArgs>

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 KeyboardSelectionDidChangeNotification notifications.

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

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

Applies to

ObserveKeyboardSelectionDidChange(NSObject, EventHandler<NSNotificationEventArgs>)

Strongly typed notification for the KeyboardSelectionDidChangeNotification constant.

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

Parameters

objectToObserve
NSObject

The specific object to observe.

handler
EventHandler<NSNotificationEventArgs>

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 KeyboardSelectionDidChangeNotification notifications.

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

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

Applies to