Draw histograms in Canvas

From: Anton Fokin (kosu_fokin@garbo.lucas.lu.se)
Date: Fri Mar 26 1999 - 14:24:56 MET 

Hi rooters,

I wonder if a histogram will be actually drawn (i.e. histogram->Draw() will
consume the same amount of processor time and go through the the same code)
if a Canvas is iconized/hidden/etc. Or it's my duty to check if a histogram
is hidden and doesn't need to be redrawn. Also, if I go from an iconized to
normal Canvas, will it force automatic redraw update for all histograms
belonging to the Canvas?

Best regards,

Dr. Anton Fokin

Division of Cosmic and Subatomic Physics
Lund University
Sweden

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