title: Adding text to a bound TextBlock
body: <p>I would like to prepend a text in a data-bound text block:</p>
  
  <pre class="lang-xml prettyprint-override"><code>&lt;TextBlock Text="{Binding Title}" /&gt;
  </code></pre>
  
  <p>The text that is shown is:</p>
  
  <pre><code>"My title"
  </code></pre>
  
  <p>What I want to be shown is:</p>
  
  <pre><code>This is "My title"
  </code></pre>