https://learn.microsoft.com/en-us/dotnet/api/system.threading.tasks.parallelloopresult.lowestbreakiteration?view=netframework-4.8.1&viewFallbackFrom=net-10.0
ParallelLoopResult.LowestBreakIteration Property (System.Threading.Tasks) | Microsoft Learn
Gets the index of the lowest iteration from which Break() was called.
property systemthreadingtasksmicrosoftlearn