<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />

System.Threading.CancellationTokenSource

public bool IsCancellationRequested { get; }

public CancellationToken Token { get; }

public CancellationTokenSource(int millisecondsDelay)

public void Cancel()

public void Cancel(bool throwOnFirstException)

public void CancelAfter(int millisecondsDelay)

public void CancelAfter(TimeSpan delay)

public void Dispose()

protected virtual void Dispose(bool disposing)