title: wpf different borderbrushes for different sides
body: <p>Is it possible to set different borderbrushes for different sides e.g. left and right blue and other to grey?</p>
  
  <p>(I've found only the dirty workaround
  <a href="http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/2b3fe87a-89d1-4144-8275-4098977f26c6" rel="nofollow noreferrer">here</a>)</p>