[Bug 14303] Listview: select all is incredibly slow.

http://bugs.winehq.org/show_bug.cgi?id=14303

--- Comment #20 from Nikolay Sivov  2012-03-20 14:43:52 CDT ---
(In reply to comment #18)
> I just say, that I can't test "Select all" as single command, which is being
> executed on ctrl+a shortcut, for instance. But, I can select all of items
> manually. And this feature is very slow with builtin comctl32.

The question was does attached patch break select all function for you or not?
Forget about performance for a moment.