ICatRegister::RegisterClassImplCategories method (comcat.h)

Registers the class as implementing one or more component categories.


HRESULT RegisterClassImplCategories(
  [in] REFCLSID rclsid,
  [in] ULONG    cCategories,
  [in] CATID [] rgcatid


[in] rclsid

The class identifier.

[in] cCategories

The number of categories to be associated as category identifiers for the class.

[in] rgcatid

An array of CATIDs to associate as category identifiers for the class.

Return value

This method can return the following values.

Return code Description
The method completed successfully.
One or more arguments are incorrect.


In case of an error, this method does not ensure that the registry is restored to the state prior to the call. This method can only be called by the owner of a class, usually as part of the installation of the component.


Requirement Value
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header comcat.h

See also