7923d5d2f1c59af5e739c95f4798a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if an object is valid, false otherwise.  <br /></td></tr>
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<tr class="memitem:a9316b0562ce25724c72a271344d856ca" id="r_a9316b0562ce25724c72a271344d856ca"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a9316b0562ce25724c72a