void WorkOnPad(TPad* pad) {
TIter nextobj(pad->GetListOfPrimitives());
TObject *obj;
while (obj = nextobj()) {
//cout << "Pad Object: " << obj->GetName() << endl;
if(obj->InheritsFrom("TPad")) {
WorkOnPad((TPad*)obj);
}
else if(obj->InheritsFrom("TH1")) {
WorkOnHist((TH1*)obj);
}
}
}
TH1 *hist_extract(TPad *c)
{
TIter nextobj(c->GetListOfPrimitives());
for( TObject *ptr; NULL!=(ptr=nextobj.Next()); )
{
printf("==========>>> %s\n",ptr->GetName());
}
}
void c_V(void)
{
TIter nextobj(gDirectory->GetListOfKeys());
TObject *ptr=nextobj.Next();
if( ptr==NULL )
{
printf("No objects found!\n");
return;
}
TCanvas *c=gDirectory->Get(ptr->GetName());
c->Draw();
TPad *p=c->cd(1);
hist_extract(p);
}