#ifdef __CINT__
#else
#include "myClass.h"
#endif

int TTree_TClonesArray () 
{
 if (!TClass::GetDict("myClass"))
   gROOT->ProcessLine (".L myClass.cxx+");
    
 TFile f ("clonesarray.root", "recreate");

 TClonesArray *myArrayPtr = new TClonesArray ("myClass");
 myClass* myObjectPtr;
 
 TTree *t = new TTree ("tree", "My Tree");
 t->Branch ("ObjClones", &myArrayPtr , 256000, 0);
 
 TRandom3 r;  r.SetSeed();

 for (int evt=0; evt<100; evt++) {
   myArrayPtr->Clear();
   int Npart = rand() % 6;

   cout << "Event " << evt << " has " << Npart << " particles. \n";
   for (int iPart = 0; iPart < Npart; iPart++) 
   {
     myObjectPtr = (myClass*) myArrayPtr->ConstructedAt (iPart);
     myObjectPtr->det    = r.Integer (24);
     myObjectPtr->ToF    = r.Rndm();
     myObjectPtr->Energy = r.Rndm();
   }
   t->Fill();
 }
 t->Print();  t->Write();
 f.Close();
 
 return 0;
}