<div class="content" name="DeleteClass" uuid="8dfd1ffb-324c-4ebd-944f-abb4500d14af"><p>The IWbemServices::DeleteClass method MUST delete a
specified class from the namespace that is associated with the current <a href="7a50647a-5311-41c2-8f4f-83bcfb497877" data-linktype="relative-path">IWbemServices</a> interface.</p><dl>
<dd>
<div><pre> HRESULT DeleteClass(
   [in] const BSTR strClass,
   [in] long lFlags,
   [in] IWbemContext* pCtx,
   [out, in, unique] IWbemCallResult** ppCallResult
 );
</pre></div>
</dd></dl><p><b>strClass: </b>MUST be the name of the class to
delete. This parameter MUST NOT be NULL.</p><p><b>lFlags: </b>Specifies the behavior of the
DeleteClass method. Flag behavior MUST be interpreted as specified in the
following table.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Value</p>
   </th>
   <th>
   <p>Meaning</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>WBEM_FLAG_RETURN_IMMEDIATELY 0x00000010</td>
  <td>If this bit is set, the server MUST make the method call semisynchronously. If this bit is not set, the server MUST make the method call synchronously.</td>
 </tr></tbody></table>
</dd>
<dd>
<p>Any other DWORD value that does
not match the preceding condition MUST be treated as invalid.</p>
</dd></dl><p><b>pCtx: </b>MUST be a pointer to an <a href="18c8f1a1-652f-43b7-9186-6098bc303a8d" data-linktype="relative-path">IWbemContext</a> interface,
which MUST contain additional information that the client wants to pass to the
server. If pCtx is NULL, the parameter MUST be ignored.</p><p><b>ppCallResult: </b>The output parameter MUST be
filled according to the state of the <b>lFlags</b> parameter (whether
WBEM_FLAG_RETURN_IMMEDIATELY is set) as listed in the following table.</p><dl>
<dd>
<table><thead>
  <tr>
   <th>
   <p>Flag state</p>
   </th>
   <th>
   <p>Operation Started Successfully</p>
   </th>
   <th>
   <p>Operation Failed to Start</p>
   </th>
  </tr>
 </thead><tbody><tr>
  <td>WBEM_FLAG_RETURN_IMMEDIATELY is not set.</td>
  <td>MUST be set to IWbemCallResult if the ppCallResult input parameter is non-NULL.</td>
  <td>MUST be set to NULL if the ppCallResult input parameter is non-NULL.</td>
 </tr><tr>
  <td>WBEM_FLAG_RETURN_IMMEDIATELY is set.</td>
  <td>The ppCallResult parameter MUST NOT be NULL upon input. If NULL, the server MUST return WBEM_E_INVALID_PARAMETER. On output, the parameter MUST contain the IWbemCallResult interface pointer.</td>
  <td>MUST be set to NULL if the ppCallResult input parameter is non-NULL.</td>
 </tr></tbody></table>
</dd></dl><p><b>Return Values: </b>This method MUST return an
HRESULT value that MUST indicate the status of the method call. The server MUST
return WBEM_S_NO_ERROR (specified in section <a href="a2899649-a5a3-4b13-9ffa-d8394dcdac63" data-linktype="relative-path">2.2.11</a>) to indicate the
successful completion of the method.</p><dl>
<dd>
<p><b>WBEM_S_NO_ERROR</b> (0x00)</p>
</dd></dl><p>The <a href="6837a7cb-ba2d-46b1-802c-fce2fd5a6ad6#gt_f3ef2572-95cf-4c5c-b3c9-551fd648f409" data-linktype="relative-path">security
principal</a> that makes the call MUST have WBEM_REMOTE_ENABLE and WBEM_ENABLE
accesses to the namespace; otherwise, WBEM_E_ACCESS_DENIED MUST be returned.</p><p>If the CIM class being deleted is <a href="6837a7cb-ba2d-46b1-802c-fce2fd5a6ad6#gt_b11172af-9369-448d-9722-444eb52b21cb" data-linktype="relative-path">dynamic</a>, the security
principal that makes the call MUST have WBEM_WRITE_PROVIDER access to the
namespace; otherwise, WBEM_E_ACCESS_DENIED MUST be returned.</p><p>If the CIM class being deleted is static, the security
principal that makes the call MUST have WBEM_FULL_WRITE access to the
namespace; otherwise, WBEM_E_ACCESS_DENIED MUST be returned.</p><p>If the CIM class being deleted is dynamic, the server MUST
obtain <b>SupportsDelete</b> for the given provider in the <b>ProviderTable</b>.
If <b>SupportsDelete</b> is FALSE, the server MUST return
WBEM_E_PROVIDER_NOT_CAPABLE.</p><p>In response to the IWbemServices::DeleteClass method, the
server MUST evaluate the <i>strClass</i> parameter (specified in this section)
and MUST delete the <i>strClass</i> parameter from the current namespace. The
server MUST delete all the instances of the class and recursively delete all
the derived classes. The method MUST fail if the following applies: if <i>strClass</i>
does not exist; if the method parameters or their combinations are not valid as
specified in this section; or if the server is unable to execute the method.</p><p>The successful synchronous method execution MUST return
WBEM_S_NO_ERROR.</p><p>The semisynchronous method execution MUST follow the rules
that are specified in section <a href="c40421d8-b195-4268-884f-a4e74ea58dce" data-linktype="relative-path">3.1.1.1.2</a>.</p><p>The failed method execution MUST set output parameters to
NULL and MUST return an error in the format specified in section 2.2.11.</p><p>If the <i>ppResult</i> input parameter is non-NULL, the
server MUST deliver the result of the requested operation (regardless whether
WBEM_FLAG_RETURN_IMMEDIATELY is set) via the IWbemCallResult, similar to the
semisynchronous execution case. If the <i>ppCallResult</i> input parameter is
NULL and WBEM_FLAG_RETURN_IMMEDIATELY is not set, the server MUST deliver the
result of the requested operation synchronously.</p><p>If a class is deleted, the corresponding entries for the
class and its derived classes MUST be deleted from the <b>ClassTable</b>.</p><p>The server MUST generate a <b>__ClassDeletionEvent</b> event
object upon successfully deleting the class information.</p><p>The server SHOULD enforce a maximum length for the <i>strClass</i>
parameter, and return WBEM_E_QUOTA_VIOLATION if the limit is exceeded.<a id="Appendix_A_Target_38"></a><a aria-label="Product behavior note 38" href="27182640-aa3f-43b6-941f-a77d25f798e8#Appendix_A_38" data-linktype="relative-path">&lt;38&gt;</a></p></div>