Windows XP How can I Export DllRegisterServer function in VC++?

[Orchid]

Hi Every one,
I'm programming in VC++ and I created a dll(MFC dll) with VC++,in this dll I'd like to have a function that export to out,I can do it ,but when I declare DllRegisterServer function I can't export it.
My code is same as folowing code:
__declspec(dllexport) STDAPI DllRegisterServer(void);
how can I export DllRegisterServer or DllUnregisterServer function that implemented in a dll ?
Please help me.
Best Regards.
Orchid