[ROOT] call TControlBar from a function

From: Golovanov George (geoang@lxpub00.jinr.ru)
Date: Thu Feb 20 2003 - 15:32:28 MET 

Hi ROOTers,

I want to call TControlBar from a function. When I try to call it from
a macros (i.e. code between { }):

{
   gROOT.Reset("a");
   TControlBar bar("vertical");
   bar.AddButton("Help",".x hsimple.C","About program");
   bar.AddButton("Exit",".q","Close Program");
   bar.Show();
   gROOT.SaveContext();
}

all work successfully. But when I try to call same code from
the function:

void SimTest(){
   gROOT.Reset("a");
   TControlBar bar("vertical");
   bar.AddButton("Help",".x hsimple.C","About program");
   bar.AddButton("Exit",".q","Close Program");
   bar.Show();
   gROOT.SaveContext();
}

nothing appear on the screen.
Thanks for any help,
		     George.

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