Creates an object of the specified CLSID and retrieves an interface pointer to this object.
STDMETHODIMP CreateInstance(
LPUNKNOWN pUnkOuter,
REFIID riid,
void** ppvObj
);
Parameters
pUnkOuter
[in] If the object is being created as part of an aggregate, then pUnkOuter must be the outer unknown. Otherwise, pUnkOuter must be NULL.riid
[in] The IID of the requested interface. If pUnkOuter is non-NULL, riid must be IID_IUnknown.ppvObj
[out] A pointer to the interface pointer identified by riid. If the object does not support this interface, ppvObj is set to NULL.
Return Value
A standard HRESULT value.
Remarks
If your module derives from CComAutoThreadModule, CreateInstance first selects a thread to create the object in the associated apartment.
Requirements
Header: atlcom.h
See Also
Reference
CComClassFactoryAutoThread Class