title: How to create HKey Property with dropdown list?
body: <p>Using Delphi 2010, I am creating a component with a Registry Key property.<br>
  I would like the property to show a dropdown list of the values. What I have below, only shows numerical values.</p>
  
  <pre><code>published
      property Key: HKey read FKey write SetKey Default HKEY_LOCAL_MACHINE;
  </code></pre>