> Subject: Re: Drawing area - example - code
> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> CC: [email protected]
> Date: Sun, 16 Mar 2008 12:04:28 +0100
>
>
> On Sun, 2008-03-16 at 08:45 +0000, Bertrand Grottier wrote:
> > Hello,
> >
> > I compiled the simple example provided in the gtkmm documentation
> > dealing with Drawing areas
> > (http://www.gtkmm.org/docs/gtkmm-2.4/...ing-lines.html)
> >
> > When I run the program, quickly dragging the window out of the screen
> > and back always triggers a crash.
> >
> > My environment is the following:
> > - OS : Windows XP,
> > - EDI : Visual Studio 2008 Express Edition.
> >
> > Has somebody encountered the same problem ?
>
> I can't reproduce this on Linux, though I see now way to drag the whole
> window completely off the screen.
Yes, you are right: I drag the window just partially off the screen.
> Could you get a backtrace for the crash from your debugger?
Unfortunately, in debug mode, the program crashes at the very beginning with
the following message:
File: f:\\dd\vctools\crt_bld\self_x86\crt\src\dbgheap.c
Line: 1317
Expression: _CrtIsValidHeapPointer(pUserData)
Here is the call stack :
test.exe!Cairo::RefPtr<Cairo::Context>::unref() Line 210 + 0x18 octets
test.exe!Cairo::RefPtr<Cairo::Context>::~RefPtr<Cairo::Context>() Line 193
test.exe!MyArea:on_expose_event(_GdkEventExpose * event=0x0012fa08) Line 38
gtkmm-2.4.dll!Gtk::Widget_Class::expose_event_callback(_GtkWidget*
self=0x011ff398, _GdkEventExpose * p0=0x0012fa08) Line 4494 + 0x13 octets
May the problem come from the fact that I am using the 2008 version of Visual
Studio instead of the 2005 version ?
Best regards,
Benoît
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