Same as IPersistStream::Load.
HRESULT Load(
LPSTREAM pStm //Pointer to the stream from which the object
//should be loaded
);
If the object has already been initialized with InitNew, then this method must return E_UNEXPECTED.
Windows NT: Use version 4.0 or later.
Windows: Use Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in ocidl.h.