Jose Carlos Gonzalez wrote: > > Hi rooters, > > I would like to define one class "A", parent of another class > "B", the child. I'm trying to do it definning "A" as child of > TObject, because I want to link all together in a single > executable program. But I get all the time errors of the > following type: > > Unresolved: > __vtbl_1a Make sure that the first noninlined virtual member > function of 'a' is > defined. > __vtbl_1b Make sure that the first noninlined virtual member > function of 'b' is > defined. > > I cannot find in the documentation how to handle this problem. Do > you have any idea? > Very likely, you have a function declared in your header file without the corresponding implementation. Make sure you provide: default constructor and destructor. If you have the ClassDef in A.h, make sure that you have the corresponding statement ClassImp in teh implementation file. Rene Brun
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