title: 'System.IO.Stream' does not contain a definition for 'Close' in Windows Store Apps
body: <p>When try to build my Unity 3D project on Windows Store Apps, this error occurs</p>
  
  <blockquote>
    <p>System.IO.Stream' does not contain a definition for 'Close' and no extension method 'Close' accepting a first argument of type 'System.IO.Stream' could be found</p>
  </blockquote>
  
  <p>How can I use Streams in Windows 8?</p>