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NSManagedObject.WillChangeValueForKey Method

Definition

Overloads

WillChangeValueForKey(String)

Method that is called before the value for the property that is identified by key is changed.

WillChangeValueForKey(String, NSKeyValueSetMutationKind, NSSet)

Method that is called before the value for the many-to-many property that is identified by key is changed.

WillChangeValueForKey(String)

Method that is called before the value for the property that is identified by key is changed.

[Foundation.Export("willChangeValueForKey:")]
public virtual void WillChangeValueForKey (string key);
abstract member WillChangeValueForKey : string -> unit
override this.WillChangeValueForKey : string -> unit

Parameters

key
String
Attributes

Applies to

WillChangeValueForKey(String, NSKeyValueSetMutationKind, NSSet)

Method that is called before the value for the many-to-many property that is identified by key is changed.

[Foundation.Export("willChangeValueForKey:withSetMutation:usingObjects:")]
public virtual void WillChangeValueForKey (string inKey, Foundation.NSKeyValueSetMutationKind inMutationKind, Foundation.NSSet inObjects);
abstract member WillChangeValueForKey : string * Foundation.NSKeyValueSetMutationKind * Foundation.NSSet -> unit
override this.WillChangeValueForKey : string * Foundation.NSKeyValueSetMutationKind * Foundation.NSSet -> unit

Parameters

inKey
String
inMutationKind
NSKeyValueSetMutationKind
inObjects
NSSet
Attributes

Applies to