<div class="content"><p>The DeleteAllData method deletes all or a subset of local
data associated with a particular node.</p><dl>
<dd>
<div><pre> HRESULT DeleteAllData(
   [in] METADATA_HANDLE hMDHandle,
   [unique, in, string] LPCWSTR pszMDPath,
   [in] DWORD dwMDUserType,
   [in] DWORD dwMDDataType
 );
</pre></div>
</dd></dl><p><b>hMDHandle: </b>An unsigned 32-bit integer value
containing an open <a href="1243ba70-74ca-44f9-be0b-dfd6697010b4#gt_086b13f2-2715-4000-a16c-6acc3d59cc19" data-linktype="relative-path">metabase</a>
handle specifying the node in the metabase where the key data is to be deleted.</p><p><b>pszMDPath: </b>A pointer to a Unicode string that
contains the path of the node with which the data to be deleted is associated,
relative to the path of the <i>hMDHandle</i> parameter.</p><p><b>dwMDUserType: </b>An integer value specifying the
data to delete based on user type.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>ALL_METADATA</p>
  <p>0x00000000</p>
  </td>
  <td>
  <p>Specifies all data, regardless of type.</p>
  </td>
 </tr><tr>
  <td>
  <p>ASP_MD_UT_APP</p>
  <p>0x00000065</p>
  </td>
  <td>
  <p>Specifies data specific to ASP application
  configuration.</p>
  </td>
 </tr><tr>
  <td>
  <p>IIS_MD_UT_FILE</p>
  <p>0x00000002</p>
  </td>
  <td>
  <p>Specifies data specific to a file, such as access
  permissions or logon methods.</p>
  </td>
 </tr><tr>
  <td>
  <p>IIS_MD_UT_SERVER</p>
  <p>0x00000001</p>
  </td>
  <td>
  <p>Specifies data specific to the <a href="1243ba70-74ca-44f9-be0b-dfd6697010b4#gt_434b0234-e970-4e8c-bdfa-e16a30d96703" data-linktype="relative-path">server</a>, such as ports in
  use and IP addresses.</p>
  </td>
 </tr><tr>
  <td>
  <p>IIS_MD_UT_WAM</p>
  <p>0x00000064</p>
  </td>
  <td>
  <p>Specifies data specific to WAM.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p><b>dwMDDataType: </b>An integer value specifying a
data type. If this parameter is not set to ALL_METADATA, the data item will be
removed only if its data type matches the specified type.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>ALL_METADATA</p>
  <p>0x00000000</p>
  </td>
  <td>
  <p>Specifies all data, regardless of type.</p>
  </td>
 </tr><tr>
  <td>
  <p>BINARY_METADATA</p>
  <p>0x00000003</p>
  </td>
  <td>
  <p>Specifies binary data in any form.</p>
  </td>
 </tr><tr>
  <td>
  <p>DWORD_METADATA</p>
  <p>0x00000001</p>
  </td>
  <td>
  <p>Specifies all <a href="../ms-dtyp/262627d8-3418-4627-9218-4ffe110850b2" data-linktype="relative-path">DWORD</a>
  (unsigned 32-bit integer) data.</p>
  </td>
 </tr><tr>
  <td>
  <p>EXPANDSZ_METADATA</p>
  <p>0x00000004</p>
  </td>
  <td>
  <p>Specifies all data consisting of a string that
  includes the terminating null character, which contains unexpanded
  environment variables.</p>
  </td>
 </tr><tr>
  <td>
  <p>MULTISZ_METADATA</p>
  <p>0x00000005</p>
  </td>
  <td>
  <p>Specifies all data represented as an array of strings,
  where each string contains two occurrences of the terminating null character.</p>
  </td>
 </tr><tr>
  <td>
  <p>STRING_METADATA</p>
  <p>0x00000002</p>
  </td>
  <td>
  <p>Specifies all data consisting of an ASCII string that
  includes the terminating null character.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p><b>Return Values: </b>A signed 32-bit value that
indicates return status. If the method returns a negative value, it failed. If
the 12-bit facility code (bits 16–27) is set to 0x007, the value contains a
Win32 error code in the lower 16 bits. Zero or positive values indicate
success, with the lower 16 bits in positive nonzero values containing warnings
or flags defined in the method implementation. For more information about Win32
error codes and <a href="../ms-dtyp/a9046ed2-bfb2-4d56-a719-2824afce59ac" data-linktype="relative-path">HRESULT</a>
values, see <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Return value/code</p>
   </th>
   <th>
   <p>Description</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>
  <p>0x00000000</p>
  <p>S_OK</p>
  </td>
  <td>
  <p>The call was successful.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x80070005</p>
  <p>E_ACCESSDENIED</p>
  </td>
  <td>
  <p>General access denied error.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x80070006</p>
  <p>ERROR_INVALID_HANDLE</p>
  </td>
  <td>
  <p>The handle is invalid.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p>The <a href="1243ba70-74ca-44f9-be0b-dfd6697010b4#gt_e127848e-c66d-427d-b3aa-9f904fa4ada7" data-linktype="relative-path">opnum</a>
field value for this method is 14.</p><p>When processing this call, the server MUST do the following:</p><ul><li><p><span><span> 
</span></span>Check the handle. This handle is valid if it is either the master
root handle or a handle returned from a previous <a href="a54be1d0-009a-493d-a53e-e2f7fbe87293" data-linktype="relative-path">OpenKey</a> call. If the
handle is invalid, return ERROR_INVALID_HANDLE.</p>
</li><li><p><span><span> 
</span></span>The server SHOULD check whether the handle was opened for write
access. If not, return E_ACCESSDENIED.<a id="Appendix_A_Target_9"></a><a aria-label="Product behavior note 9" href="88fd1df0-e63e-41ca-9bf3-bedcab57cd86#Appendix_A_9" data-linktype="relative-path">&lt;9&gt;</a></p>
</li><li><p><span><span> 
</span></span>Check whether the relative path points to the existing subnode of
the parent handle. If not, return an error.</p>
</li><li><p><span><span> 
</span></span>For each data value that is defined on the destination node and
not inherited from the parent node, repeat the following:</p>
</li><li><p><span><span> 
</span></span>If the <i>dwMDUserType</i> and <i>dwMDDataType</i> parameters are
equal to &#34;ALL_METADATA&#34;, delete the data.</p>
</li><li><p><span><span> 
</span></span>If the user type parameter equals the user type of the data and
the data type parameter is equal to the data type of the data or ALL_METADATA,
delete this data value.</p>
</li><li><p><span><span> 
</span></span>If the data type parameter equals the data type of the data and
the user type parameter is equal to the user type of the data or ALL_METADATA,
the server SHOULD delete this data value.<a id="Appendix_A_Target_10"></a><a aria-label="Product behavior note 10" href="88fd1df0-e63e-41ca-9bf3-bedcab57cd86#Appendix_A_10" data-linktype="relative-path">&lt;10&gt;</a></p>
</li></ul></div>