Do not use enumerator on job elements as the collection can change during enumeration, since this collection is written by various tasks concurrently. Read every element seperately during each IsCompleted call. It is somewhat crude, but prevents collection changed exceptions.
Do not use enumerator on job elements as the collection can change during enumeration, since this collection is written by various tasks concurrently. Read every element seperately during each IsCompleted call. It is somewhat crude, but prevents collection changed exceptions.

ThomasBleijendaal/TPLPipeline