Hi Dmitriy, It seems that you have a typing mistake. >From the error message, it seems that you typed stt instead of st. I tested your example and it works correctly. Rene Brun Dmitriy Bandourine wrote: > > Hi dear Rooters, > > I have tried to obtain a new statistics box with my named script > "run_reco.C" by the strings taken from User's guide v07 : > > [...] > TCanvas *c0 = new TCanvas("c0","Canvas",700,500); > h1->Draw(); > TPaveStats *st = (TPaveStats*) c0->GetPrimitive("stats"); > st->SetName("AAA"); > st->SetX1NDC(.55); > st->SetX2NDC(.75); > st->SetTextColor(2); > h2->Draw("sames"); > [...] > > but I've got: > Error: illegal pointer to class object stt 0x0 122 FILE:run_reco.C LINE:95 > > What's wrong in the code? > > - Dmitriy -
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