[cernRoot]How to get tree name from root file
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TIter nextkey( root_file->GetListOfKeys() ); TKey *key, *oldkey=0; while ( (key = (TKey*)nextkey())) { TObject *obj = key->ReadObj(); if ( obj->IsA()->InheritsFrom( TTree::Class() ) ) { Tree_data = (TTree*)obj; break; } }
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