ICatRegister::RegisterClassReqCategories
A version of this page is also available for
4/8/2010
This method registers the class as requiring one or more component categories.
Syntax
HRESULT RegisterClassReqCategories(
REFCLSID rclsid,
ULONG cCategories,
CATID rgcatid[]
);
Parameters
- rclsid
[in] Class identifier of the relevant class for which category information will be set.
- cCategories
[in] Number of category CATIDs to associate as category identifiers for the class.
- rgcatid
[in] Array of cCategories CATID to associate as category identifiers for the class.
Return Value
If the method succeeds, the return value is S_OK.
If one or more arguments are incorrect, the method returns E_INVALIDARG.
Remarks
In case of an error, this function does not ensure that the Registry is restored to the state prior to the call. This function can only be called by the owner of a class, usually as part of the installation of the component.
To determine whether the platform supports this interface, see Determining Supported COM APIs.
Requirements
| Header | comcat.h, comcat.idl |
| Library | ole32.lib, uuid.lib |
| Windows Embedded CE | Windows CE 3.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |
See Also
Reference
ICatRegister::RegisterCategories
ICatRegister::RegisterClassImplCategories
ICatRegister::UnRegisterCategories
ICatRegister::UnRegisterClassImplCategories
ICatRegister::UnRegisterClassReqCategories