void tryhistos()
{
  TH1F *histos[3];
  for(Int_t i=0;i<3;i++)
    {
      histos[i]=new TH1F(Form("histoname%d",i),Form("histotitle%d",i),300,-0.5,29.5);
    }
  TCanvas *c1=new TCanvas("c1","c1");
  c1->Divide(1,3);
  TCanvas *c2=new TCanvas("c2","c2");
  c2->Divide(1,3);
  for(Int_t iii=0;iii<5;iii++){
    printf("n1 %d\n",iii);
    for(Int_t j=0;j<3;j++)
      {
	histos[0]->FillRandom("gaus",10000);
	histos[1]->FillRandom("landau",10000);
	histos[2]->FillRandom("expo",10000);
      }
   }
  TPaveText *pave[2];
  for(Int_t gg=0;gg<2;gg++){ pave[gg]=NULL;}
   for(Int_t hh=0;hh<5;hh++)
     {
      TH1 *histos2[3];
      for(Int_t i=0;i<3;i++) { histos2[i]=NULL; }
       for(Int_t uu=0;uu<2;uu++){
	 pave[uu]=new TPaveText(0.3,0.88,0.9,0.99,"NDC");
	 pave[uu]->AddText(Form("text %d",uu));
	 pave[uu]->AddText(Form("text 2 %d",uu));
	 pave[uu]->SetFillColor(4);
	 pave[uu]->SetBorderSize(1);
	 pave[uu]->SetLineWidth(1);
       }  
       histos[0]->GetListOfFunctions()->Add(pave);
       histos[1]->GetListOfFunctions()->Add(pave);
       histos[2]->GetListOfFunctions()->Add(pave);
      for(Int_t gg=0;gg<3;gg++) histos2[gg]=(TH1*)histos[gg]->Clone(Form("%s_cpy",histos[gg]->GetName()));
      c1->cd(); 
      for(Int_t z =0;z<3;z++)
	{
	  c1->cd(z+1);
	  histos[z]->Draw();
	  c1->Update();
	}
      c2->cd();
      for(Int_t z =0;z<3;z++)
      	{
      	  c2->cd(z+1);
      	  histos2[z]->DrawCopy();
      	  c2->Update();
      	}
      for(Int_t d=0;d<3;d++)
      	{
      	  delete histos2[d];
      	  histos2[d]=NULL;
      	}
      for(Int_t vv=0;vv<2;vv++)
	{
	  pave[vv]=NULL;
	}
    }
      for(Int_t ss=0;ss<2;ss++)
	{
	  delete pave[ss]=NULL;
	  pave[ss]=NULL;
	}


}