Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
This method removes the registration of one or more component categories. Each component category consists of a CATID and a list of locale-dependent description strings.
HRESULT UnRegisterCategories(ULONGcCategories,CATIDrgcatid[]);
Parameters
- cCategories
[in] Number of cCategories CATIDs to be removed. - rgcatid
[in] Value that identifies the categories to be removed.
Return Values
If the method succeeds, the return value is S_OK.
If one or more arguments are incorrect, the method returns E_INVALIDARG.
Remarks
This function will be successful even if one or more of the category identifiers specified are not registered. This function can only be called by the owner of a category, usually as part of the installation or de-installation of the operating system or application.
**Note **This method does not remove the component category tags from individual classes. To do this, use the ICatRegister::UnRegisterClassReqCategories method.
To determine whether the platform supports this interface, see Determining Supported COM APIs.
Requirements
OS Versions: Windows CE 3.0 and later.
Header: Comcat.h, Comcat.idl.
Link Library: Ole32.lib, Uuid.lib.
See Also
ICatRegister::RegisterCategories | ICatRegister::RegisterClassImplCategories | ICatRegister::RegisterClassReqCategories | ICatRegister::UnRegisterClassImplCategories | ICatRegister::UnRegisterClassReqCategories
Send Feedback on this topic to the authors