NSWindow.Notifications.ObserveDidChangeBackingProperties Method
Definition
Important
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Overloads
| Name | Description |
|---|---|
| ObserveDidChangeBackingProperties(EventHandler<NSWindowBackingPropertiesEventArgs>) |
Strongly typed notification for the DidChangeBackingPropertiesNotification constant. |
| ObserveDidChangeBackingProperties(NSObject, EventHandler<NSWindowBackingPropertiesEventArgs>) |
Strongly typed notification for the DidChangeBackingPropertiesNotification constant. |
ObserveDidChangeBackingProperties(EventHandler<NSWindowBackingPropertiesEventArgs>)
Strongly typed notification for the DidChangeBackingPropertiesNotification constant.
public static Foundation.NSObject ObserveDidChangeBackingProperties(EventHandler<AppKit.NSWindowBackingPropertiesEventArgs> handler);
static member ObserveDidChangeBackingProperties : EventHandler<AppKit.NSWindowBackingPropertiesEventArgs> -> Foundation.NSObject
Parameters
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 DidChangeBackingPropertiesNotification notifications.
// Listen to all notifications posted for any object
var token = NSWindow.Notifications.ObserveDidChangeBackingProperties ((notification) => {
Console.WriteLine ("Observed DidChangeBackingPropertiesNotification!");
};
// Stop listening for notifications
token.Dispose ();
Applies to
ObserveDidChangeBackingProperties(NSObject, EventHandler<NSWindowBackingPropertiesEventArgs>)
Strongly typed notification for the DidChangeBackingPropertiesNotification constant.
public static Foundation.NSObject ObserveDidChangeBackingProperties(Foundation.NSObject objectToObserve, EventHandler<AppKit.NSWindowBackingPropertiesEventArgs> handler);
static member ObserveDidChangeBackingProperties : Foundation.NSObject * EventHandler<AppKit.NSWindowBackingPropertiesEventArgs> -> Foundation.NSObject
Parameters
- 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 DidChangeBackingPropertiesNotification notifications.
// Listen to all notifications posted for a single object
var token = NSWindow.Notifications.ObserveDidChangeBackingProperties (objectToObserve, (notification) => {
Console.WriteLine ($"Observed DidChangeBackingPropertiesNotification for {nameof (objectToObserve)}!");
};
// Stop listening for notifications
token.Dispose ();