https://learn.microsoft.com/en-us/dotnet/api/system.threading.tasks.dataflow.dataflowblockoptions.taskscheduler?view=dotnet-uwp-10.0&redirectedfrom=MSDN
DataflowBlockOptions.TaskScheduler Property (System.Threading.Tasks.Dataflow) | Microsoft Learn
Gets or sets the TaskScheduler to use for scheduling tasks.
property systemthreadingtasksdataflowmicrosoft