title: How to play .mp4 video in winform.net
body: <p>I am new to winform development, my boss want to display some videos stored in the local disk, no buttons are needed, just find all the videos and play the .mp4 videos one by one.</p>
  
  <p>I have done a search on the internet and cannot find a single solution, have tried the DirectShow example and it throw exception while testing on .mp4 files.</p>
  
  <p>Some said I can add the WMP into the form but I cannot find the WMP COM competent on the dev server.</p>