title: Set tag of a ListBox item
body: <p>Is it possible to set the <code>Tag</code> property of an individual item of the <code>ListBox</code> instead of only the whole control? </p>
  
  <p>I tried </p>
  
  <pre><code>listbox.Items(i).Tag = "Test"
  </code></pre>
  
  <p>Unfortunately without any luck.</p>