Dear experts, I found that when I use interactive ROOT to execute macro which contains TCanvas::HighlightConnect() it works fine, but with the same code (with additional main()) if I compile it first by root-config --cxx --cflags --libs -lMinuit2 then it will give the runtime error message: Error …

Try gInterpreter->Declare("void PosHighlighted(TVirtualPad* pad, TObject* obj, Int_t ihp, Int_t y);");

Slot function doesn't work when Compile the code

bellenot January 22, 2025, 6:59am 2

GUI - Use external function in a widget ROOT

ROOT Version: 6.18/04 Platform: Ubuntu 18.04 Compiler: gcc 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04) Dear co-rooters, I’m building a GUI that will unpack some signals and then draw them. What I would like to do is connect a widget (i.e. a button) with external functions. I have divided my code to practically 3 parts: gui (.cxx, .h) in which a class MainFrame is defined, unpacker (.cxx, .h) which will unpack the signals and main (.cxx, .h) which will execute any functions. I compiled everything…

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