title: WPF - partially uneditable textbox
body: <p>Is there a way to add a fixed piece of text (TextBlock or Label) inside WPF's TextBox? Such that; user can write text around it in the control, but can't delete or edit it?</p>
  
  <p>I am looking for the reciprocal of <a href="https://stackoverflow.com/questions/7863930/textbox-partially-editable">this question</a>, that is:</p>
  
  <pre><code>&lt;TextBox&gt;
      "Chunk #1: This part of text is editable"
  
      "Chunk #2: This piece is not editable"
  
      "Chunk #3: This text is editable"
  &lt;/TextBox&gt;
  </code></pre>
  
  <p><sub>(Note: these are the imaginary chucks there for elaboration, its all continuation of one block of text; which may be multi-line with line-breaks).</sub></p>
  
  <p>where <code>Chunk #2</code> should move accordingly, as user edits <code>Chunk #1</code> and <code>#3</code>.</p>