Amib.Threading.Internal.WorkItem.ReleaseWaitHandle C# (CSharp) Method

        private void ReleaseWaitHandle()
        {
            lock (this)
            {
                if (null != _workItemCompleted)
                {
                    --_workItemCompletedRefCount;
                    if (0 == _workItemCompletedRefCount)
                    {
                        _workItemCompleted.Close();
                        _workItemCompleted = null;
                    }
                }
            }
        }