CComCachedTearOffObject::QueryInterface
Retrieves a pointer to the requested interface.
STDMETHOD(QueryInterface)(
REFIID iid ,
void** ppvObject
);
Parameters
iid
[in] The GUID of the interface being requested.ppvObject
[out] A pointer to the interface pointer identified by iid, or NULL if the interface is not found.
Return Value
A standard HRESULT value.
Remarks
If the requested interface is IUnknown, returns a pointer to the CComCachedTearOffObject's own IUnknown and increments the reference count. Otherwise, queries for the interface on your tear-off class using the InternalQueryInterface method inherited from CComObjectRootEx.
Requirements
Header: atlcom.h