[Bug 31203] Guild Wars 2 launcher no alpha on window - has large black border

http://bugs.winehq.org/show_bug.cgi?id=31203

[e-mail] changed:

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--- Comment #13 from [e-mail] 2012-08-30 07:31:15 CDT ---
(In reply to comment #11)
> This seems to be a duplicate of bug 15118. Affects all windows using the
> WS_EX_LAYERED style and per-pixel alpha blending (ULW_ALPHA), which seems not
> to be supported by Wine at the moment.
>
> Fully transparent pixels (either zero alpha or color-keyed) in such a window
> are not even considered part of the window, passing all mouse events to the
> elements below the window.
>
> http://msdn.microsoft.com/en-us/library/windows/desktop/ms632599%28v=vs.85%2...

I read this thread and tested the partial patch for the Diablo III stub.
Instead of the black border, there is a copy of what stood behind when the
window was opened; this is not updated afterwards(only by minimizing
maximizing).