meters</dt><dd>
  <table class="params">
    <tr><td class="paramname">index</td><td>the index of the device </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>int the VID of the device </dd></dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a7636b3fca3e41d867103d3e29e4f2e7a">&#9670;&#160;</a></span>uid()</h2>

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