Token. Register Change Callback(Action<Object>, Object) Method
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Registers for a callback that will be invoked when the entry has changed. HasChanged MUST be set before the callback is invoked.
public: 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
Public Function RegisterChangeCallback (callback As Action(Of Object), state As Object) As IDisposable
State to be passed into the callback.
An IDisposable that is used to unregister the callback.