title: Binding to a property of the DataContext of another control
body: <p>iv'e got 2 panels in an app game </p>
  
  <p><strong>they are both bound to different elements .</strong></p>
  
  <pre><code>    GameDetailsPanel.DataContext = game ;
  
      GameBoardPanel.DataContext = gameBoard ;
  </code></pre>
  
  <p>*<em>Game has a Turn Property *</em> .</p>
  
  <pre><code>    public Class Game 
      {
          public bool Turn{ get; set;}             
      } 
  </code></pre>
  
  <p>now i need to bind one of GameBoardPanel to the value of the Property Turn ,</p>
  
  <p>*<em>for example : something along the lines of *</em></p>
  
  <pre><code>   &lt;Button Fill={Binding Source=GameDetailsPanel.DataContext , Path=Turn } &gt;&lt;/Button&gt;
  </code></pre>
  
  <p>how can i reference GameDetailsPanel.DataContext in my binding ?  </p>