ot be subclassed and most of the documented methods cannot be overridden.
  Generally the <a>Tool</a> and <a>Layout</a> classes and the <a>CommandHandler</a> and <a>Link</a> classes may be subclassed;
  look at the API documentation to see if a method may be overridden.
</p>

<h2 id="UsingConsoleWindow">Using the Console window</h2>
<p>
  First you will need to get a reference to your <a>Diagram</a> object in the Console window or the Debugger window.
</p>
<p>
  One way to do that is by remembering it in yo