Syntax
[ObjCRuntime.Native]
[System.Flags]
public enum NSKeyValueObservingOptions
Remarks
Members
| Member Name | Description |
|---|
| Initial | Use this to send a notification on first use, without waiting for an actual change to take place. |
| New | Request that new values be delivered to the observer. |
| Old | Requests that old values be delivered to the observer. |
| OldNew | Requests that both old and new values be delivered to the observer. |
| Prior | If set, notifications are sent before and after the change to the property is made. Otherwise the notifications are only sent after the property has been set. |
Requirements
Namespace: Foundation
Assembly: Xamarin.iOS (in Xamarin.iOS.dll)
Assembly Versions: 0.0.0.0