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NSManagedObjectContext.Notifications.ObserveDidSave Method

Definition

Overloads

Name Description
ObserveDidSave(EventHandler<NSManagedObjectChangeEventArgs>)

Strongly typed notification for the DidSaveNotification constant.

ObserveDidSave(NSObject, EventHandler<NSManagedObjectChangeEventArgs>)

Strongly typed notification for the DidSaveNotification constant.

ObserveDidSave(EventHandler<NSManagedObjectChangeEventArgs>)

Strongly typed notification for the DidSaveNotification constant.

public static Foundation.NSObject ObserveDidSave(EventHandler<CoreData.NSManagedObjectChangeEventArgs> handler);
static member ObserveDidSave : EventHandler<CoreData.NSManagedObjectChangeEventArgs> -> Foundation.NSObject

Parameters

handler
EventHandler<NSManagedObjectChangeEventArgs>

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 DidSaveNotification notifications.

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

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

Applies to

ObserveDidSave(NSObject, EventHandler<NSManagedObjectChangeEventArgs>)

Strongly typed notification for the DidSaveNotification constant.

public static Foundation.NSObject ObserveDidSave(Foundation.NSObject objectToObserve, EventHandler<CoreData.NSManagedObjectChangeEventArgs> handler);
static member ObserveDidSave : Foundation.NSObject * EventHandler<CoreData.NSManagedObjectChangeEventArgs> -> Foundation.NSObject

Parameters

objectToObserve
NSObject

The specific object to observe.

handler
EventHandler<NSManagedObjectChangeEventArgs>

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 DidSaveNotification notifications.

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

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

Applies to