2 references to _topLevelCancellationTokenSource
System.Linq.Parallel (2)
System\Linq\Parallel\QueryOperators\QueryOpeningEnumerator.cs (2)
73_topLevelCancellationTokenSource.Cancel(); // initiate internal cancellation. 147.WithPerExecutionSettings(_topLevelCancellationTokenSource, _topLevelDisposedFlag)