ICatInformation::IsClassOfCategories (Windows CE 5.0)
This method determines if a class implements one or more categories. If the class requires a category not listed in the rgcatidReq parameter, it is not included in the enumeration.
HRESULT IsClassOfCategories(REFCLSIDrclsid,ULONGcImplemented,CATIDrgcatidImpl[],ULONGcRequired,CATIDrgcatidReq[]);
Parameters
- rclsid
[in] Class identifier of the relevant class to query. - cImplemented
[in] Number of category identifiers in the rgcatidImpl array. This value cannot be zero. If this value is ((ULONG) -1), the implemented categories are not tested. - rgcatidImpl
[in] Array of category identifiers. - cRequired
[in] Number of category identifiers in the rgcatidReq array. This value can be zero. If this value is ((ULONG) -1), the required categories are not tested. - rgcatidReq
[in] Array of category identifiers.
Return Values
If the rclsid is of category rcatid then the method returns S_OK; otherwise it returns S_FALSE.
Remarks
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
ICatInformation::EnumCategories | ICatInformation::EnumClassesOfCategories | ICatInformation::EnumImplCategoriesOfClass | ICatInformation::EnumReqCategoriesOfClass | ICatInformation::GetCategoryDesc
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