{
  gROOT->Reset();
  
  TH1F* h = new TH1F("h1","hist title",10,-4,4);
  h->FillRandom("gaus",20000);
  h->SetFillColor(kRed);
  h->SetMarkerStyle(29);

  // Set all the canvas styles:

  TString S[]{"HIST","HBAR","E","LF2","P","PIE"};

  TCanvas    c1("c1","draw styles", 0, 0, 1000,800);
  c1.Divide( 3, 2 ); // Divide the canvas into 3 columns and 2 rows

  // Clone each histogram and draw with a different style:
  //for (int i=0; i<n; i++) {
  int i=1;
  for( TString style : S)
  {
    cout<<style<<endl;
    TH1F*   hi    = (TH1F*) h->Clone();
    hi->SetTitle(Form("Draw(\"%s\")", (const char*) style));
    c1.cd(i++);
    hi->Draw(style);
  }
  c1.cd();
  c1.SaveAs("histDraws.png");
}