Pajama Sam's unmanaged window

[Ove Kaaven]

On Fri, 1 Feb 2002, Dmitry Timoshkov wrote:

> "Ori Pessach" <ori_pessach_blah at yahoo.com> wrote:
> 
> > > Since this is probably not the case, perhaps it's better to check for the
> > > popup menu class in is_window_managed(), something like
> > >
> > >  if (GetClassLongA(win->hwndSelf, GCW_ATOM) == POPUPMENU_CLASS_ATOM) return
> > > FALSE;
> > 
> > Ah ha! Exactly what I had in mind. After thinking about this, it seemed to me 
> > that is_window_managed() should examine the window's class, as well as its 
> > style bits, since the class will give a more accurate indication of what kind 
> > of window we're dealing with than just the style bits.
> 
> Unfortunately this aproach does not work well in all cases, especially in
> the case of subclassed windows.

Do you have any examples where it might not work... window subclassing is
the act of using SetWindowLong to replace the window procedure, which does
not change the class atom, as far as I know?