HI Rooters, I try too loop over all histos within a file using the following code : BrowseFile(Char_t *FileName){ f1 = new TFile(FileName); TList *MyList = f1->GetList(); TIter next(MyList); MyList->ls(); TObject *obj; while((obj = (TObject*)next())){ if(obj->InheritsFrom(TH1::Class)) obj->Draw(); } c1.Update(); while(!getchar()); f1.Close(); f1.Delete(); } It seems f1->GetList does not return the content of the file. What am I doing wrong ?? Thanks Norbert -- ------------------------------------- Norbert Danneberg Institut f"ur Teilchenphysik Eidg. Techn. Hochschule Z"urich WLGA/E27 CH-5232 Villigen PSI Phone: 0041-56-310-3284 Fax : 0041-56-310-4362 email: Norbert.Danneberg@psi.ch -------------------------------------
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