Hi Piero,
Simply move your statement
HistoManager pippo();
after the creation of the file, as:
main(int argc, char **argv)
{
TROOT simple("simple","Test of histogramming and I/O");
TFile hfile("hsimple.root","RECREATE","Demo ROOT file with histograms");
HistoManager pippo();
for (int i=0;i<10;) pippo.test();
// Save all objects in this file
hfile.Write();
hfile.Close();
}
Rene Brun
Piero Zucchelli wrote:
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