7    leg->
AddEntry(h, 
"Histogram \"h\"", 
"l");
    11    leg->
AddEntry(h, 
"Histogram \"h\" again", 
"l");
 This class displays a legend box (TPaveText) containing several legend entries. 
virtual void Draw(Option_t *option="")
Draw this legend with its current attributes. 
THist< 1, float, THistStatContent, THistStatUncertainty > TH1F
TLegendEntry * AddEntry(const TObject *obj, const char *label="", Option_t *option="lpf")
Add a new entry to this legend. 
Mother of all ROOT objects.