Is there something wrong with my code? My code("aticdemos.C") is { gROOT->Reset("a"); bar = new TControlBar("vertical"); bar->AddButton("Start!",".x start.C", "Read 1st event from aticdata.root"); bar->AddButton("Event++",".x nextevent.C", "Next Event read"); bar->AddButton("Track",".x ytrack.C", "Tracking Incident X(Y) Position"); bar->AddButton("HITS-DISPLAY",".x evdisp.C", "DISPLAY HITS"); bar->Show(); gROOT->SaveContext(); } --------------------------------------------------------- root> .x aticdemos.C --> It gives me a controlbar which has four buttons(Start!, Event++, Track, HITS-DISPLAY) vertically. First two buttons(Start!, Event++) work well. In some reason the other two buttons(Track, "HITS-DISPLAY) does not work. Whein I click it, it gives Sigmentation Violation Error message. However, when I execute them manually instead of using controlbar (root> .x ytrack.C root> .x .x evdisp.C) Those are working well without any problem. Note: ytrack.C & evdisp.C include several plots while start.C & nextevent.C do not have them. ---- Thanks in advance! Jayoung
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