/// <summary>
/// A wait handle to wait for completion, cancel, or timeout
/// </summary>
private WaitHandle GetWaitHandle()
{
lock (this)
{
if (null == _workItemCompleted)
{
_workItemCompleted = EventWaitHandleFactory.CreateManualResetEvent(IsCompleted);
}
++_workItemCompletedRefCount;
}
return(_workItemCompleted);
}