CancellationChangeToken public class CancellationChangeToken : IChangeToken A IChangeToken implementation using CancellationToken. Documentation Code public bool ActiveChangeCallbacks { get; } public bool HasChanged { get; } public CancellationChangeToken(CancellationToken cancellationToken) Initializes a new instance of CancellationChangeToken. public IDisposable RegisterChangeCallback(Action<object> callback, object state)