In compiled code, you need to get a pointer to the histogram, there are no
CINT shortcuts. See addition to your code below.
-Ben
----- Original Message -----
From: "Cyril Lachaud" <lachaud@lpnax1.in2p3.fr>
> Hi again,
>
> thank you for the answer... but I'm still not satisfied...
>
> Here is my code:
>
> fFiles_chained->Draw("variable");
> fHCanvas->Update(); // it gives me the good histogramm : htemp
> TH1F *htemp;
// right now, htemp is NULL. Accessing it causes a segmentation violation.
htemp = gROOT->FindObject("htemp");
// now htemp points to the temporary histogram
> htemp->SetXTitle("toto");
>
> The last command gives the following error:
> *** Break *** segmentation violation
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