NSString constant, should be used as a token to NSNotificationCenter.
This constant can be used with the Foundation.NSNotificationCenter to register a listener for this notification.
C# Example
// Lambda style
NSNotificationCenter.DefaultCenter.AddObserver (UIWindow.KeyboardWillChangeFrameNotification, (notification) => Console.WriteLine ("Received the notification UIWindow", notification);
// Method style
void Callback (NSNotification notification)
{
Console.WriteLine ("Received a notification UIWindow", notification);
}
void Setup ()
{
NSNotificationCenter.DefaultCenter.AddObserver (UIWindow.KeyboardWillChangeFrameNotification, Callback);
}