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NSWindow.Notifications.ObserveDidChangeBackingProperties Method

Definition

Overloads

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

handler
EventHandler<NSWindowBackingPropertiesEventArgs>

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.

handler
EventHandler<NSWindowBackingPropertiesEventArgs>

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 ();

Applies to