title: WPF: Get "wrapped" text out of a textbox
body: <p>Is there a way in WPF to get the text formatted as it display on the textbox when  TextWrapping="Wrap"? </p>
  
  <pre><code>&lt;TextBox   Width="200"
             TextWrapping="Wrap"                 
             VerticalScrollBarVisibility="Auto"
             HorizontalScrollBarVisibility="Auto"  /&gt;
  </code></pre>
  
  <p>I've tried to use TextFormatter class, but it onty allow me to draw the text to a drawing context where i only need the text with line break included.</p>