Re: [win32gui] RE: [perl-win32-gui-hackers] Crash in CommonMsgLoop

[Robert M. <rm...@po...>]

Jeremy White wrote:
> Ok - think I've got it - just not sure what the fix should be - or even 
> if a fix is needed. In my app, I catch the terminate event and ask the 
> user if they are sure they wish to exit. If they say yes, I perform 
> logic to save various settings. Once the settings have been saved I 
> return -1, which should exit. During this exit phase (for some reason) 
> various WM_NCHITTEST message are sent, and I assume that the window has 
> already been destroyed(? - or perhaps some kind of timing issue, which 
> explains why adding the print statements and Perl 5.6 don't cause the 
> crash) - the crash happens when the function CallWindowProc is called. 
> The 'fix' in my case is to hide the main window as soon as the user 
> clicks on the yes button...

If you have some code that exhibits this, then I'd be interested to try 
to reproduce it.  I though I could explain it, but then couldn't get an 
example together that validated my explanation.

Rob.