<div class="content"><p>The RenameCalendar method renames a specified calendar
event.</p><dl>
<dd>
<div><pre> [id(5), helpstring(&#34;method RenameCalendar&#34;)] HRESULT RenameCalendar(
   [in] BSTR bstrOldCalendarName,
   [in] BSTR bstrNewCalendarName
 );
</pre></div>
</dd></dl><p><b>bstrOldCalendarName: </b>A string that specifies
the current name of the calendar event to be renamed.</p><dl>
<dd>
<p>If this parameter is NULL, <b>E_INVALIDARG</b> MUST
be returned.</p>
</dd></dl><p><b>bstrNewCalendarName: </b>A string that specifies
the new name of the calendar event.</p><p><b>Return Values: </b>This method returns 0x00000000
for success or a negative <a href="e371cc74-bf4c-4870-8afe-5062cc628b4f#gt_799103ab-b3cb-4eab-8c55-322821b2b235" data-linktype="relative-path">HRESULT</a>
value (in the following table or in <a href="../ms-erref/1bc92ddf-b79e-413c-bbaa-99a5281a6c90" data-linktype="relative-path">[MS-ERREF]</a>
section <a href="../ms-erref/705fb797-2175-4a90-b5a3-3918024b10b8" data-linktype="relative-path">2.1.1</a>)
if an error occurs.</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>Operation successful.</p>
  </td>
 </tr><tr>
  <td>
  <p>0x80070057</p>
  <p>E_INVALIDARG</p>
  </td>
  <td>
  <p>One or more arguments are invalid.</p>
  </td>
 </tr><tr>
  <td>
  <p>0xC1FF006F</p>
  <p>WRM_ERR_ID_VALUE</p>
  </td>
  <td>
  <p>The specified name contains characters that are
  invalid. The name cannot start with a hyphen (&#34;-&#34;) and cannot
  contain spaces or any of the following characters:</p>
  <dl>
<dd>
<div><pre> \   / ? * | : &lt; &gt; &#34; , ;.
</pre></div>
</dd></dl>
  </td>
 </tr><tr>
  <td>
  <p>0xC1FF0258</p>
  <p>WRM_ERR_CAL_DUPLICATE_CALENDAR</p>
  </td>
  <td>
  <p>A calendar event with the specified name already
  exists.</p>
  </td>
 </tr><tr>
  <td>
  <p>0xC1FF0259</p>
  <p>WRM_ERR_CAL_UNKNOWN_CALENDAR</p>
  </td>
  <td>
  <p>The specified calendar event does not exist.</p>
  </td>
 </tr><tr>
  <td>
  <p>0xC1FF025A</p>
  <p>WRM_ERR_CAL_NAME_TOO_LONG</p>
  </td>
  <td>
  <p>The calendar name has exceeded an
  implementation-defined limit.<a id="Appendix_A_Target_63"></a><a aria-label="Product behavior note 63" href="1af5b971-a682-44a0-affe-c98947d5e7f7#Appendix_A_63" data-linktype="relative-path">&lt;63&gt;</a>.</p>
  </td>
 </tr></tbody></table>
</dd></dl><p>Additional <a href="b573c233-e3b6-4179-896f-90a4eb0ca8ff" data-linktype="relative-path">IWRMCalendar</a> interface
methods are specified in section 3.2.4.4.</p></div>