> hi all experts, > > how can I call a function INSIDE my vc++ project from > a button ? If i put the function name inside the > ADDBUTTON method obviuously cint is called which of > course cant find the function ! From your code you always can call gROOT-> ProcessLine(const char *line); gROOT->ProcessLineSync(const char *line); There is no difference between these two entries under single thread version of ROOT for UNIX. Since you are working under Windows you should distinguish gROOT->ProcessLine("{test();}"); and gROOT->ProcessLineSync("{test();}"); The point is both ProceessLine methods are to send a text message to so-called CINT thread of Windows implementation of ROOT. The first returns immediately just the message been sent successfully out, The second one is to wait until the message is accepted and processed by CINT then returns. Hope this helps. Valeri > > What I want is something like this: > > void test(){cout << test << endl;}; > TButton* B=new TButton("test","{test();}"); > > joe
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