How to do proper Parallel.ForEach, locking and progress reporting

Question

I\'m trying to implement the Parallel.ForEach pattern and track progress, but I\'m missing something regarding locking. The following example counts to 1000 whe

Answer 1

Remove lock statements from properties and modify Main body:

 object sync = new object();
        Parallel.ForEach(ids, new ParallelOptions {MaxDegreeOfParallelism = threadCount},
                         id =>
                             {
                                 lock(sync)
                                 progress.CurrentCount++;
                             });