<div class="content" name="QueryPlexes" uuid="8a5d7779-917d-44b0-8f71-1a6d2484c46e"><p>The QueryPlexes method enumerates the <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_d864e01b-9fb1-4beb-9864-8221d293445a" data-linktype="relative-path">plexes</a> of a <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_9a876829-33a1-4f0b-8b81-8552b7e5561c" data-linktype="relative-path">volume</a>.</p><dl>
<dd>
<div><pre> HRESULT QueryPlexes(
   [out] IEnumVdsObject** ppEnum
 );
</pre></div>
</dd></dl><p><b>ppEnum: </b>A pointer to an <a href="29084d98-40c8-4a10-a45e-4cfc0d8f8f03" data-linktype="relative-path">IEnumVdsObject</a> interface
that, if the operation is successfully completed, receives the IEnumVdsObject
interface of the object that contains an enumeration of <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_7d1df68a-9ec5-4f84-a64f-67888f39405d" data-linktype="relative-path">volume plex</a> objects in the
volume. Callers MUST release the interface when they are done with it.</p><p><b>Return Values: </b>The method MUST return zero or
a non-error <a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_799103ab-b3cb-4eab-8c55-322821b2b235" data-linktype="relative-path">HRESULT</a> (as
specified in <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>)
to indicate success, or return an implementation-specific nonzero error code to
indicate failure. For the HRESULT values predefined by the Virtual Disk Service
Remote Protocol, see section <a href="5102cc53-3143-4268-ba4c-6ea39e999ab4" data-linktype="relative-path">2.2.3</a>.</p><p>When the server receives this message, it MUST validate the
following parameter:</p><ul><li><p><span><span> 
</span></span>Verify that <b>ppEnum</b> is not NULL.</p>
</li></ul><p>The server MUST point <b>ppEnum</b> to an IEnumVdsObject
interface that contains the enumeration of volume plex objects in the list of
cached storage management objects that have their volume pointer set to this
volume object, as specified in section <a href="0d8d514a-16c5-44ae-b4bb-a333e19ea5b6" data-linktype="relative-path">3.4.1.3</a>. The server MUST
then return an HRESULT indicating failure or success.</p></div>