Re: Persisting data to the registry

From:
"Igor Tandetnik" <itandetnik@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Tue, 26 Jun 2007 12:25:34 -0400
Message-ID:
<ez4Eg6AuHHA.4916@TK2MSFTNGP04.phx.gbl>
John <John@discussions.microsoft.com> wrote:

I then added the interface to my objects com map;
BEGIN_COM_MAP(CSomeObject)
  COM_INTERFACE_ENTRY(IPersistRegistry)
END_COM_MAP()

And finally the implementation template class to my object;

class ATL_NO_VTABLE CSomeObject:
...
...
public IPersistRegistryImpl<CSomeObject>

Now when I compile I get the following displayed

error C2078: too many initializers
error C2440: 'initializing' : cannot convert from
'ATL::_ATL_CREATORARGFUNC (__stdcall *)' to 'DWORD_PTR'
error C2440: 'static_cast' : cannot convert from
'CSomeObject::_ComMapClass *' to 'IPersistRegistry *'


The error message suggests that IPersistRegistryImpl, and hence
CSomeObject, does not in fact derive from IPersistRegistry.
--
With best wishes,
    Igor Tandetnik

With sufficient thrust, pigs fly just fine. However, this is not
necessarily a good idea. It is hard to be sure where they are going to
land, and it could be dangerous sitting under them as they fly
overhead. -- RFC 1925

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