e is a extractor for a particular file type by 
looking in the registry, its easier just to try and create a thumbnail for the
file - you'll get an error if its not possible.</p><p>&#160;</p><p>&#160;</p><p>&#160;</p><p>&#160;</p><p>&#160;</p><p>&#160;</p></td><td class="rightbar" valign="top" bgcolor="#C2BEB1">
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