Hello,
I'm new to OSG and WPF (though I've read quite a view tutorials the past 2
weeks) so I hope I don't ask too many stupid questions :)
Task
I have to program something very similar to a CAD-program. The program should
be able to load files (stl-files) and you should be able to manipulate the
model in different ways, selecting triangles, points, cutting, ...
For the visualisation of the models and functionality I chose OSG since it
seems to offer quite a lot and is pretty fast. (Also it has a reader for
stl-files ;) )
The UI has to be made with WPF. So basically the "OSG-window" should be
controlled via menus, buttons, mouse and keyboard-input.
What I found out
For the past view days I've researched this matter and found only a few
tutorials on msdn and codeproject. But if I got that right the way to do the
integration is:
- C++: create a class ("OpenGLHwnd") that inherits from HwndHost
- C++: create a window (or a dialog, but dialog didn't work for me)
- C++: attach the viewer with the window (code taken from this site "...
.NET-control ...")
- C++: compile the whole thing as managed dll (/clr)
- C#/WPF: use the dll and attach an instance of the class as child in a
placeholder
In the OpenGLHwnd-class I have to override BuildWindowCore, DestroyWindowCore,
OnRenderSizeChanged and OnRender.
Status
Well, I just set up the whole thing and tried to make the "OpenGL"-window fit
in the WPF-application. In this "OpenGL"-Window I just try to display two
pyramids using OSG.
My Problem
If I use "normal" OpenGL-commands everything is displayed, but if I use the
viewer, somehow not only the WPF-window is opened, but also an additional
fullscreen window which shows the pyramids. I don't seem to get the window out
of the fullscreen mode and fit in the WPF-application.
My Questions
Well, can anyone give me some advise to fix the problem? Or can someone tell me
if the way I want to integrate OSG in WPF is right, because it seems pretty
much like a bad "workaround" to me ^^;
Are there any tutorials on this matter? (I've looked at the osgDotNetDemo from
hesicong.net, but it doesn't work -> applicationcan't be initialized)
I hope everything is understandable since english is not my mother tounge.
Thank you in advance!
Cheers,
Martin
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=15581#15581
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