Re: comctl32: Make an attempt to update notification handle

[Dmitry Timoshkov]

Nikolay Sivov  wrote:
> > > - case WM_WINDOWPOSCHANGING:
> > > - {
> > > -
> > >  HWND parent = GetParent(hwnd);
> > > -
> > >  if (parent) infoPtr->hwndNotify = parent;
> > > -
> > >  return DefWindowProcW(hwnd, uMsg, wParam, lParam);
> > > - }
> >
> > What if an application subclasses tab and doesn't pass WM_WINDOWPOSCHANGING
> > to the original proc?
>
> Then it will fail just like it does currently, and will work for the 
> rest of the applications.

Is it really supposed to fail?
> > Why not just call GetParent() every time when a
> > notification is being sent?
>
> Because it won't work if you create a control without WS_CHILD.

How is that different from the WM_WINDOWPOSCHANGING handler?