1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Register a function to be called when a context is destroyed.  <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base class for classes that require an OpenGL context. </p>
<p>This class is for internal use only, it must be the base of every class that req