Hi Konstantin, sometimes the problem is not "too little" but "too much". In fact, root and e.g. MFC don't really work together (they do, but it costs some time to get it to work). I know that the StdAfx is included as soon as you select anything more complex than a simple console app. But in fact that's exactly what you should try first. You should have a look at Andy Haas' page "Root and Windows" at http://d0.phys.washington.edu/~haas/windows%20introduction.html Cheers, Axel. -----Original Message----- From: owner-roottalk@pcroot.cern.ch [mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of Konstantin Belov Sent: Wednesday, February 21, 2001 2:54 AM To: roottalk@pcroot.cern.ch Subject: [ROOT] Re: Minmal ROOT program under NT Hi: When I try to build a stand alone program http://root.cern.ch/root/roottalk/roottalk00/0009.html for Win NT 4, despite all libraries are included, I got the following errors: Linking... StdAfx.obj : error LNK2001: unresolved external symbol "void __cdecl InitGui(void)" (?InitGui@@YAXXZ) StdAfx.obj : error LNK2001: unresolved external symbol "public: __thiscall TROOT::TROOT(char const *,char const *,void (__cdecl**)(void))" (??0TROOT@@QAE@PBD0PAP6AXXZ@Z) StdAfx.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall TROOT::~TROOT(void)" (??1TROOT@@UAE@XZ) StartUpProject.obj : error LNK2001: unresolved external symbol "public: static void __cdecl TObject::operator delete(void *)" (??3TObject@@SAXPAX@Z) StartUpProject.obj : error LNK2001: unresolved external symbol "public: __thiscall TPad::TPad(char const *,char const *,double,double,double,double,short,short,short)" (??0TPad@@QAE@PBD0NNNNFFF@Z) StartUpProject.obj : error LNK2001: unresolved external symbol "public: __thiscall TCanvas::TCanvas(char const *,char const *,int,int,int,int)" (??0TCanvas@@QAE@PBD0HHHH@Z) StartUpProject.obj : error LNK2001: unresolved external symbol "public: __thiscall TApplication::TApplication(char const *,int *,char * *,void *,int)" (??0TApplication@@QAE@PBDPAHPAPADPAXH@Z) StartUpProject.obj : error LNK2001: unresolved external symbol "public: static void * __cdecl TStorage::ObjectAlloc(unsigned int)" (?ObjectAlloc@TStorage@@SAPAXI@Z) Thanks a lot for your help. Konstantin
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