UIApplication.Notifications.ObserveWillChangeStatusBarFrame Method
Definition
Important
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Overloads
| Name | Description |
|---|---|
| ObserveWillChangeStatusBarFrame(EventHandler<UIStatusBarFrameChangeEventArgs>) |
Strongly typed notification for the WillChangeStatusBarFrameNotification constant. |
| ObserveWillChangeStatusBarFrame(NSObject, EventHandler<UIStatusBarFrameChangeEventArgs>) |
Strongly typed notification for the WillChangeStatusBarFrameNotification constant. |
ObserveWillChangeStatusBarFrame(EventHandler<UIStatusBarFrameChangeEventArgs>)
Strongly typed notification for the WillChangeStatusBarFrameNotification constant.
public static Foundation.NSObject ObserveWillChangeStatusBarFrame(EventHandler<UIKit.UIStatusBarFrameChangeEventArgs> handler);static member ObserveWillChangeStatusBarFrame : EventHandler<UIKit.UIStatusBarFrameChangeEventArgs> -> Foundation.NSObjectParameters
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 WillChangeStatusBarFrameNotification notifications.
// Listen to all notifications posted for any object
var token = UIApplication.Notifications.ObserveWillChangeStatusBarFrame ((notification) => {
Console.WriteLine ("Observed WillChangeStatusBarFrameNotification!");
};
// Stop listening for notifications
token.Dispose ();
Applies to
ObserveWillChangeStatusBarFrame(NSObject, EventHandler<UIStatusBarFrameChangeEventArgs>)
Strongly typed notification for the WillChangeStatusBarFrameNotification constant.
public static Foundation.NSObject ObserveWillChangeStatusBarFrame(Foundation.NSObject objectToObserve, EventHandler<UIKit.UIStatusBarFrameChangeEventArgs> handler);static member ObserveWillChangeStatusBarFrame : Foundation.NSObject * EventHandler<UIKit.UIStatusBarFrameChangeEventArgs> -> Foundation.NSObjectParameters
- objectToObserve
- NSObject
The specific object to observe.
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 WillChangeStatusBarFrameNotification notifications.
// Listen to all notifications posted for a single object
var token = UIApplication.Notifications.ObserveWillChangeStatusBarFrame (objectToObserve, (notification) => {
Console.WriteLine ($"Observed WillChangeStatusBarFrameNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();