NullChangeToken.RegisterChangeCallback(Action<Object>, Object) Method
Definition
Important
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Always returns an empty disposable object. Callbacks will never be called.
public:
virtual IDisposable ^ RegisterChangeCallback(Action<System::Object ^> ^ callback, System::Object ^ state);public IDisposable RegisterChangeCallback (Action<object> callback, object state);public IDisposable RegisterChangeCallback (Action<object?> callback, object? state);abstract member RegisterChangeCallback : Action<obj> * obj -> IDisposable
override this.RegisterChangeCallback : Action<obj> * obj -> IDisposablePublic Function RegisterChangeCallback (callback As Action(Of Object), state As Object) As IDisposableParameters
- state
- Object
This parameter is ignored.
Returns
A disposable object that noops on dispose.
Implements
Applies to
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