15 auto T =
f->Get<
TTree>(
"T");
16 T->
Draw(
"Grade:Age:Cost:Division:Nation",
"",
"gl5d");
18 gPad->Print(
"staff.C.png");
ROOT::Detail::TRangeCast< T, true > TRangeDynCast
TRangeDynCast is an adapter class that allows the typed iteration through a TCollection.
static TFile * Open(const char *name, Option_t *option="", const char *ftitle="", Int_t compress=ROOT::RCompressionSetting::EDefaults::kUseCompiledDefault, Int_t netopt=0)
Create / open a file.
A TTree represents a columnar dataset.
void Draw(Option_t *opt) override
Default Draw method for all objects.