[Bug 6682] IrfanView's 4.44 Help -> About window is missing a picture on the left

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=6682

--- Comment #56 from Artem S. Tashkinov <t.artem at mailcity.com> ---
(In reply to Fabian Maurer from comment #55)
> If it's of use, the commit that fixed the issue (for me, at least) was
> 
> commit 997d4ef44f0f9e2284f99d7ce9ec135d68b30c7b
> Author: Fabian Maurer <dark.shadow4 at web.de>
> Date:   Mon Feb 13 16:58:29 2017 +0100
> 
>     user32: Send WM_NCPAINT and WM_ERASEBKGND when window is shown.
> 
> > Have you moved the about window or overlaid it with something? It works that
> > way. It won't work once you invoke it without doing anything else. Also your
> > composite window manager might have interfered - I don't use one.
> 
> The issue at hand was that a newly shown windows didn't get a redraw
> message, this the image was missing. That also explains why it works when
> you move the window or overlay something. I don't really know why it doesn't
> work on your system. Maybe the tests I added in this commit can help gather
> insights?

If I understand this commit description correctly it _must_ fix the issue for
all use cases yet clearly it doesn't. I know nothing about Win32 API but I've
got a feeling something is going on that's not covered by this change and you,
Wine developers, can easily figure it out by looking at Wine debug log. I can
look at it for years and I won't understand anything.

And as a bug reporter and a person who wants to make Wine better I can only do
what I'm knowledgeable to do like post logs and screenshots ;-)

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