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Retrieves the number of type-information interfaces provided by an object.
HRESULT GetTypeInfoCount( UINT * pctinfo );
Parameters
- pctinfo
- Pointer to the location that receives the number of
type-information interfaces that the object provides. If the object
provides type information, this number is 1; otherwise, the number
is 0.
Return Values
Returns E_POINTER if pctinfois invalid; otherwise, returns S_OK.