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ICatRegister::UnRegisterCategories 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.

Syntax


HRESULT UnRegisterCategories(
  [in]  ULONG cCategories,
  [in]  CATID rgcatid[]
);

Parameters

cCategories [in]

The number of categories to be removed.

rgcatid [in]

The CATIDs of the categories to be removed.

Return value

This method can return the following values.

Return codeDescription
S_OK

The method completed successfully.

E_INVALIDARG

One or more arguments are incorrect.

 

Remarks

This method will be successful even if one or more of the category IDs specified are not registered. This method 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.

This method does not remove the component category tags from individual classes. To do this, use the ICatRegister::UnRegisterClassReqCategories method.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

ComCat.h

IDL

ComCat.idl

IID

IID_ICatRegister is defined as 0002E012-0000-0000-C000-000000000046

See also

ICatRegister

 

 

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