Hello, Dmitri Do you really want each time one presses the button a brand new version of your macro to be loaded. Please try: root[].L nnn.C root[] TButton *b = new TButton("Summary","nnn(1,2);",0.1,0.8,0.3,0.9); This should work as expected. Valeri > > Hi ROOTers, > > I create the TButton object by > TButton *b = new TButton("Summary","gROOT->ProcessLine(\".x nnn.C(1,2)\");",0.1,0.8,0.3,0.9); > > and define in "nnn.C" script static variable "count": > > nnn.C(Int_t, Int_t) > { > static Int_t count = 0; > cout << "count =" << ++count << endl; > > [... omitted ...] > } > > Pressing on the button "b" I get "count = 0" (zero) everytime. > But when I call nnn.C from command line: > root [] .x nnn.C(1,2) > root [] .x nnn.C(2,2) > > I receive "1", "2" values for count. > > Why "count" does not work properly in first case (through the button)? > > > - Dmitriy - > >
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