Crash when executing custom action in msi

[Octavian Voicu]

On Sun, Apr 18, 2010 at 11:07 PM, Mike Kaplinskiy
<mike.kaplinskiy at gmail.com> wrote:
> I'm not much of a COM expert, but from what it looks like in order to
> tell if an interface is really the interface you expect, the right way
> would be to QueryInterface it (idea from
> http://source.winehq.org/source/dlls/msxml3/domdoc.c#L1499 ).

Good point! I did think of QueryInterface at some point, but forgot
about it. I attached the new patch. If there are no further
suggestions, I'll post it on wine-patches.

Octavian
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