NSObservedChange.IsPrior Property
Definition
Important
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If this flag is true, this indicates that the observed method is being called before the change takes place.
public bool IsPrior { get; }member this.IsPrior : boolProperty Value
Remarks
For this property to have a value, the options passed to AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr) method should contain the value E:Foundation.NSKeyValueObseringOptions.Prior.