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Retrieves an enumerator for the CATIDs required by the specified class.
Syntax
HRESULT EnumReqCategoriesOfClass(
[in] REFCLSID rclsid,
[out] IEnumGUID **ppenumCatid
);
Parameters
[in] rclsid
The class identifier.
[out] ppenumCatid
A pointer to an IEnumCATID interface pointer. This can be used to enumerate the CATIDs that are required by rclsid.
Return value
This method can return the standard return values E_INVALIDARG, E_OUTOFMEMORY, and S_OK.
Requirements
| 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 |