Deer rooters, I'm trying to make a very simple histogramming display using TButtons inside a TCanvas. I'd want my TCanvas to be cleared and updated by pressing a button inside this same TCanvas. Doing that I get a segmentation violation error : I suppose that it is due to the fact that a TButton's method can't delete the TButton itself... Does anybody know a simple way to clear and update a TCanvas by pressing a button situated inside this canvas, without making ROOT angry?? Thanks a lot, Stephane student at Fermilab/CDF for the UC Davis.
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