void hIHisto()
{
   auto c1 = new TCanvas();
 
   auto h2 = new TH2F("h2", "", 50, -5.0, 5.0, 50, -5.0, 5.0);
   for (Int_t i = 0; i < 1000; i++) h2->Fill(gRandom->Gaus(), gRandom->Gaus());
   h2->Draw();
 
   info = new TText(0.0, -4.0, "please check the event statusbar that there is x,y,binx,biny,binc");
   info->SetTextAlign(22);
   info->SetTextColor(kRed+1);
   info->SetBit(kCannotPick);
   info->Draw();
   c1->Update();
}