explorer: Create a standalone tray window wrapper if the driver doesn't provide native implementation.

[Alexandre Julliard]

Dmitry Timoshkov <dmitry at codeweavers.com> writes:

> This patch makes sure that "Shell_TrayWnd" window doesn't have a caption
> since some apps depend on it being empty. The bug #20129 lists one of such
> applications. It does FindWindow("Shell_TrayWnd", "") and expects that it
> returns a valid tray window handle.

It can't work the way you are doing it, FindWindow won't find a child window.

-- 
Alexandre Julliard
julliard at winehq.org