win32: mousewheel scrolling copies 'start'-bar

[Jari Vuoksenranta]

- -text follows this line- -
In GNU Emacs 21.2.1 (i386-msvc-nt5.1.2600) of 2002-03-19 on buffy
configured using `configure --with-msvc (12.00)'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: FIN
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

When winXP's "startbar" overlaps current buffer's window area,
mousewheel scrolling (down) copies "startbar"-image on emacs's window.

Recent input:
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <mouse-wheel> 
<mouse-wheel> <mouse-wheel> <mouse-wheel> <menu-bar> 
<help-menu> <report-emacs-bug>

Recent messages:
(W:\w\emacs-21.2\bin\emacs.exe 
W:\w\cygwin\home\j\src\columba\src\main\core\org\columba\main\ColumbaLoader.java)
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