The RenameCalendar method renames a specified calendar event.

 [id(5), helpstring("method RenameCalendar")] HRESULT RenameCalendar(
   [in] BSTR bstrOldCalendarName,
   [in] BSTR bstrNewCalendarName
 );

bstrOldCalendarName: A string that specifies the current name of the calendar event to be renamed.

If this parameter is NULL, E_INVALIDARG MUST be returned.

bstrNewCalendarName: A string that specifies the new name of the calendar event.

Return Values: This method returns 0x00000000 for success or a negative HRESULT value (in the following table or in [MS-ERREF] section 2.1.1) if an error occurs.

Return value/code	Description
0x00000000 S_OK	Operation successful.
0x80070057 E_INVALIDARG	One or more arguments are invalid.
0xC1FF006F WRM_ERR_ID_VALUE	The specified name contains characters that are invalid. The name cannot start with a hyphen ("-") and cannot contain spaces or any of the following characters:  \ / ? * | : < > " , ;.
0xC1FF0258 WRM_ERR_CAL_DUPLICATE_CALENDAR	A calendar event with the specified name already exists.
0xC1FF0259 WRM_ERR_CAL_UNKNOWN_CALENDAR	The specified calendar event does not exist.
0xC1FF025A WRM_ERR_CAL_NAME_TOO_LONG	The calendar name has exceeded an implementation-defined limit.<63>.

Additional IWRMCalendar interface methods are specified in section 3.2.4.4.