ICatInformation::IsClassOfCategories method
Applies to: desktop apps only
Determines whether a class implements one or more categories.
Syntax
HRESULT IsClassOfCategories( [in] REFCLSID rclsid, [in] ULONG cImplemented, [in] const CATID rgcatidImpl[], [in] ULONG cRequired, [in] const CATID rgcatidReq[] );
Parameters
- rclsid [in]
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The class identifier.
- cImplemented [in]
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The number of category IDs in the rgcatidImpl array. This value cannot be zero. If this value is -1, the implemented categories are not tested.
- rgcatidImpl [in]
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An array of category identifiers.
If the class requires a category not listed in rgcatidReq, it is not included in the enumeration.
- cRequired [in]
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The number of category IDs in the rgcatidReq array. This value can be zero. If this value is -1, the required categories are not tested.
- rgcatidReq [in]
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An array of category identifiers.
Return value
If the class ID is of one of the specified categories, the return value is S_OK. Otherwise, is it S_FALSE.
Requirements
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Minimum supported client | Windows 2000 Professional |
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Minimum supported server | Windows 2000 Server |
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Header |
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IDL |
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IID |
IID_ICatInformation is defined as 0002E013-0000-0000-C000-000000000046 |
See also
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Build date: 3/7/2012
