[osg-users] WPF and OpenGL popup window problem

Himar Carmona himarcarmona at gmail.com
Fri Mar 6 13:18:02 PST 2009


    i also use WPF, you are not the only one. The problem in WPF is surely
the "airspace". In WPF you can't have in the same window overlapping
technologies. And if the window is a popup window, if it has transparency
activated, you will also experiment the same problem (but this time
it depends on the graphics card). This is a issue in Windows XP, not in
Windows Vista. This is due to the windowing management.

    Windows XP has also a problem with transparent windows (overlay) for a
long time ago, since it was not thought to render transparent windows (where
the color of a pixel depends on more than one window). I think tooltips are
window (like menu, context menu and so on), and the tooltip has transparency

    W.r.t. whether you are fool to use WPF or Qt or wxWidgets or whatever
windowing technology you use: They are tools, you as programmer are the
artisan. I would choose the best to the project in hands. All have problems
and limitations and different design philosophies, and... the list is long
enough to be discussed ad limitum. Really, evangelism is the problem. Open
Mind the solution. (My apologies to everyone, i'm not good writing english,
and i don't want to offend anyone, this is just a personal point of view).
Just kidding a bit...

  Thank you all the OSG community, i think all of you are open minders.

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