title: why there is always a worker thread has no name in VS when debugging?
body: <p>When I debug my application, I always see a worker thread who doesn't have a name like others:</p>
  <p><a href="https://i.stack.imgur.com/tyvbL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/tyvbL.png" alt="enter image description here" /></a></p>
  <p>You can see there is a worker thread id 17936, what does it do? What's the difference between ID and ManagedID?</p>