#include "VegaMain.h" RoundData TD; //is it seen in each *.cpp file? void NewMask() { TD.NAMETORNEO = "luigi"; NewTournamentDlg newt; newt.Run(); PromptOK( TD.NAMETORNEO); } GUI_APP_MAIN { TopWindow w; Button b; w.Add(b); b.SetLabel("push me").LeftPos(10, 100).TopPos(10, 30); b.WhenAction = callback(NewMask); w.Run(); }