title: What is the "T:" for when used in a cref
body: <p>What does the <code>T:</code> part mean in the use of the cref attribute here?</p>
  
  <pre><code>&lt;see cref="T:System.Windows.Form.Control"/&gt;
  </code></pre>
  
  <p>and</p>
  
  <pre><code>&lt;see cref="System.Windows.Form.Control"/&gt;
  </code></pre>