title: How to detect ListView is scrolling up or down
body: <p>Is there a way to detect that <code>ScrollViwer</code> of <code>ListView</code> is in scrolling mode and stopped scrolling. In windows phone 8.1 <code>ListView</code> we can not get reference of the scrollviewer. </p>
  
  <p>Any one done it in windows phone 8.1 WinRT app? </p>