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The normal .NET collection types do not support this scenario.
Maybe some of the types in System.Collections.Concurrent will help with that.
However, what behaviour do you need exactly? What if thread A just finished iterating a millisecond before thread B adds another item?
If you want to make sure that all items are processed by thread A, maybe the best way to model your problem is with a MailboxProcessor.
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Dear All,
I would like to know if it is possible to start iterating over a collection and another thread adding elements to the collection (after the iteration starts)?
Thank You