{
gSystem.Load("JansEvent_cc");
JansEvent *j = new JansEvent();
f = TFile ("x.root");
tin = (TTree*)f.Get("bugMe");
tin.SetBranchAddress("event",&j);
fout = new TFile("xPy.root", "recreate");
t = new TTree("bugMe", "Sample events");
t.Branch("event", "JansEvent", &j, 32000, 99);

int iEv = 0;
int iWritten = 0;
while (iWritten<5) {
    tin.GetEvent(iEv);
    printf("%d%s\n",j.bList.GetEntries(), "entries");
    j.bList.Clear();
    printf("%d%s\n",j.bList.GetEntries(), "entries");
	B_Parameters *b = (B_Parameters*)j.bList[0];
    printf("%d\n",b->gamma.uid);
	for(int i =0; i<j->bList.GetEntries();++i){ //iB in j.bList:
		b = (B_Parameters*)j.bList[i];
        printf("%d\n",b->gamma.uid);
	}
    iEv += 1;
    if (j.bList.GetEntries() > 2)
        j->bList.RemoveAt(1);
    j.bList.Clear();
    t.Fill();
    iWritten += 1;
}
t.Write();
fout.Close();
delete fout;
delete tin;
}