Hi John, Obviously this trivial test works with the standard ROOT executable. Is the TFile constructor reporting an error message ? Which version of ROOT are you using? Rene Brun On Sat, 12 Jan 2002 jcfree@socrates.Berkeley.EDU wrote: > > I've been having a lot of trouble writing histograms to a file in my > program. I'm using VC++ 6 on Windows 2000, and am using the QT libraries > for my GUI interface. Even the simplest code doesn't seem to work, e.g., > > TFile* file = new TFile("e:\\rt\\testfile.root","UPDATE"); > TH1S* testhisto = new TH1S("histo","histo",100,0,100); > testhisto->Write(); > file->Close(); > > will cause the program to indicate "Abnormal program termination" when > execution reaches the "testhisto->Write()" line. Can anyone help me out? > > Thanks, > > John >
This archive was generated by hypermail 2b29 : Sat Jan 04 2003 - 23:50:38 MET