I have an error while trying to delete a TControllbar. The TControlbar is declared in a macro called test.cc which is execute in
my rootlogon.cc.
Here is my rootlogon.cc
void rootlogon()
{
#include <iostream.h>
// Create the canvas
TCanvas * MyCanevas = new TCanvas("MyCanevas", "WA98 Pb+Pb 95 analysis");
// Produce the main control bar
gROOT->Macro("test.cc");
}
and here comes the macro test.cc :
TControlBar * main_bar = new TControlBar("horizontal","main","main analysis menu");
main_bar->SetNumberOfColumns(1);
main_bar->AddButton("Close","{MyCanevas->Close(); delete main_bar;}","Close this toolbar");
main_bar->Show();
}
by selecting the button Close, I get the following error :
root [0] Error: No symbol main_bar in current scope FILE:/tmp/12940aaa LINE:1
Error: main_bar==NULL cannot delete FILE:/tmp/12940aaa LINE:1
*** Interpreter error recovered ***
Curiously the problem can be solved by changing the declaration in test.cc by :
main_bar = new TControlBar("horizontal","main","main analysis menu");
!!!!
Thanks .... Yves
--
Yves SCHUTZ GANIL (IN2P3 - CNRS) collaboration TAPS http://ganp03.in2p3.fr
GANIL Telephone: (33) 2 31 45 47 01
BP 5027 Fax : (33) 2 31 45 46 65
F-14076 Caen e-mail : mailto:SCHUTZ@IN2P3.FR
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