gtkD window centering message up and no app on taskbar

[Johnson Jones via Digitalmars-d-learn]

On Monday, 7 August 2017 at 20:57:08 UTC, Mike Wey wrote:
> On 07-08-17 22:46, Johnson Jones wrote:
>> [...]
>
> This appears to be a GTK issue, a work around might be to get 
> the Window handle from gtk and use the Windows API to set the 
> taskbar visibility.
>

Yeah, I was thinking about that but haven't yet figured out how 
to find the window handle ;/