Hi, Did you generate and link with the Dictionary for the class 'myclass'? See 'How to add a class' in the Users' guide or any information on how to use rootcint. Cheers, Philippe -----Original Message----- From: owner-roottalk@pcroot.cern.ch [mailto:owner-roottalk@pcroot.cern.ch]On Behalf Of Lindelöf David Sent: Thursday, September 26, 2002 9:58 AM To: roottalk@pcroot.cern.ch Subject: [ROOT] Linking under Windows Hello, I suppose this is a well-known problem but couldn't find any answer anywhere: I've installed root under Windows 2000 and am trying under Visual C++ to build a .DLL following Andrew Haas' instructions. I scrupulously add all *.lib to the project, and specify the include directory, yet when the time comes to build the .DLL come error messages of this kind: error LNK2001: unresolved external symbol "class ROOT::TGenericClassInfo * __cdecl ROOT::GenerateInitInstance(class myclass const *)" (?GenerateInitInstance@ROOT@@YAPAVTGenericClassInfo@1@PBVmyclass@@@Z) Could anyone enlighten me as to what I am doing wrong? Thanks and cheers, David Lindelöf Quantum mechanics: the dreams stuff is made of
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