<div class="content"><p> </p><p>The QueryFileSystemFormatSupport method retrieves the
properties of the <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_528b06a4-e67c-43b3-a02d-8738858a691d" data-linktype="relative-path">file systems</a></span> that
are supported for <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_ea22e521-1a4e-4ceb-8d64-f65fa6d0e63b" data-linktype="relative-path">formatting</a></span> a <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_9a876829-33a1-4f0b-8b81-8552b7e5561c" data-linktype="relative-path">volume</a></span>.</p><dl>
<dd>
<div><pre> HRESULT QueryFileSystemFormatSupport(
   [out, size_is(,*plNumberOfFileSystems)] 
     VDS_FILE_SYSTEM_FORMAT_SUPPORT_PROP** ppFileSystemSupportProps,
   [out] long* plNumberOfFileSystems
 );
</pre></div>
</dd></dl><p><b>ppFileSystemSupportProps: </b>A pointer to an
array of <span><a href="15e442cd-f805-4ae1-8f49-db200712177b" data-linktype="relative-path">VDS_FILE_SYSTEM_FORMAT_SUPPORT_PROP</a></span>
structures which, if the operation completes successfully, receives an array of
properties of each supported file-system. </p><p><b>plNumberOfFileSystems: </b>A pointer to a variable
which, if the operation completes successfully, receives the total number of
elements returned in <b>ppFileSystemSupportProps</b>.</p><p><b>Return Values: </b>The method MUST return zero or
a non-error <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_799103ab-b3cb-4eab-8c55-322821b2b235" data-linktype="relative-path">HRESULT</a></span> (as
specified in <span><a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a></span>)
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 <span><a href="5102cc53-3143-4268-ba4c-6ea39e999ab4" data-linktype="relative-path">2.2.3</a></span>.</p><p>When the server receives this message, it MUST validate the
following parameters:</p><ul><li><p><span><span> 
</span></span>Verify that <b>ppFileSystemSupportProps</b> is not NULL.</p>
</li><li><p><span><span> 
</span></span>Verify that <b>plNumberOfFileSystems</b> is not NULL.</p>
</li></ul><p>The server MUST point <b>ppFileSystemSupportProps</b> to an
array of VDS_FILE_SYSTEM_FORMAT_SUPPORT_PROP structures that contains
information about each file system that is supported for formatting the volume,
point <b>plNumberOfFileSystems</b> to the size of the array, and return an
HRESULT indicating failure or success.</p></div>