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NSObservedChange.OldValue Property

Definition

The previous value on the observed property.

public Foundation.NSObject OldValue { get; }
member this.OldValue : Foundation.NSObject

Property Value

The old 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.Old.

Applies to