Re: [PATCH] user32: Allow WM_CAPTURECHANGE indicating SetCapture() parameter.

[Alexandre Julliard]

Christopher Thielen  writes:
> dlls/comctl32/toolbar.c:	case WM_CAPTURECHANGED:
>
> Probably fine? Appears to be a ToolbarProc translating window messages into toolbar-based equivalents.

That's too superficial, you need to look into what it's doing with the
message. In this case it's clearly assuming that capture is lost, which
wouldn't be the case with your change. The same thing probably applies
to other message handlers.