>
> Dear Rooters,
>
> The attached file seems to show I can not derived simultaneously from
> TGFrame and TTimer. The error message is :
>
> >> CC: "ControlPanel.h", line 12: error: ambiguous TObject::operator
> >> new() and TObject::operator new() (no virtual base) (1302)
> >> BCC: "ControlPanel.cxx", line 8: error: ambiguous TObject::operator
> >> new() and TObject::operator new() (no virtual base) (1302)
> >>*** Error exit code 1
>
> What could be the reason ?
>
Hi Xie,
both TGFrame and TTimer inherit from TObject, this wuold require
virtual base classes, this is not supported by root. (See also
previous discussions in roottalk.
e.g.
http://root.cern.ch/cgi-bin/print_hit_bold.pl/
root/roottalk/roottalk99/0323.html?virtualbaseclass#first_hit
>
cheers
Otto
----------------------------------------------------------------------------
Otto Schaile Sektion Physik der LMU Muenchen
Phone: (+49 89)289 14070 Am Coulombwall 1, D-85748 Garching, Germany
FAX: (+49 89)289 14072 EMail: Otto.Schaile@Physik.Uni-Muenchen.DE