> > How can I include implmentation in a header file and keep it from
getting
> > multiply defined when it's contents are accessed by several .cpp files?

> > I'm getting the following errors and the strange thing is that I'm using
> the
> > class/functions in other files in my project as well as
EMailMessage.cpp,
> > but it seems to be the only one that's conflicting with stdafx.cpp.  I
am
> > using precompiled headers and I put the header in question in stdafx.h.
I
> > also inclosed the implementations with #ifndef, etc...

> > EMailMessage.obj : error LNK2005: "public: bool __thiscall

already
> > defined in DVEmailSupport.obj
> > EMailMessage.obj : error LNK2005: "public: double __thiscall

defined
> > in DVEmailSupport.obj
> > StdAfx.obj : error LNK2005: "public: bool __thiscall

already
> > defined in DVEmailSupport.obj
> > StdAfx.obj : error LNK2005: "public: double __thiscall

defined
> > in DVEmailSupport.obj
> > EMailMessage.obj : warning LNK4006: "public: bool __thiscall

already
> > defined in DVEmailSupport.obj; second definition ignored
> > EMailMessage.obj : warning LNK4006: "public: double __thiscall

defined
> > in DVEmailSupport.obj; second definition ignored
> > StdAfx.obj : warning LNK4006: "public: bool __thiscall

already
> > defined in DVEmailSupport.obj; second definition ignored
> > StdAfx.obj : warning LNK4006: "public: double __thiscall

defined
> > in DVEmailSupport.obj; second definition ignored
> >    Creating library Debug/EMailSupport.lib and object
> Debug/EMailSupport.exp
> > Debug/EMailSupport.dll : fatal error LNK1169: one or more multiply
defined
> > symbols found

> > Can anyone help?

> > Thanks,

> > Kevin