/span>:</div>
<div class="line">    Used *m_usedClass;</div>
<div class="line">};</div>
</div><!-- fragment --><p> This will result in the following graph:</p>
<center><img src="graph_legend.png" alt="" class="inline"/></center><p>The boxes in the above graph have the following meaning: </p>
<ul>
<li>
A filled gray box represents the struct or class for which the graph is generated. </li>
<li>
A box with a black border denotes a documented struct or class. </li>
<li>
A box with a gray border denotes an undo