[Bug 46409] New: mCtrl: example-menubar test program shows rendering issues

https://bugs.winehq.org/show_bug.cgi?id=46409

Bug ID: 46409
           Summary: mCtrl: example-menubar test program shows rendering
                    issues
           Product: Wine
           Version: 4.0-rc4
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Split up from bug 41203.

Potentially relevant comment from original report:

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I think that I found the cause of the problem for menubar control.
WINE comctl32 has this unimplemented feature:

http://source.winehq.org/git/wine.git/blob/HEAD:/dlls/comctl32/toolbar.c#l43...

and the control sends (0,-2) with TB_SETBITMAPSIZE to its toolbar.
Although I do not know how negative values are handled, this is the cause of
this problem.
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