[vtkusers] VTK and Winforms integration

[bnsteel]

I used Swig (http://www.swig.org/) to manage interactions between a C++ dll
and my c# windows application.

I felt that Activiz was not right for me since my data was in the C++ side
and I didn't want to wrangle it over the c# in order to have the vtk wrapper
push it back to c++.

I made a method to pass the handle of my windows panel to the vtk render
window

C++ side
setImageRenderWindowParentID(void *theID){
	... (init your vtk render window)
	renWin2->SetParentId(theID);
}

C# side

 swig3d.setRenderWindowParentID(m_panel.Handle);



where swig3d is the handle ( via swig) to my C++ class that handles the vtk
stuff.  I have to handle all of the user interactions between C# and C++, so
it was a good amount of typing, but I get to use the latest and greatest vtk
without the overhead of activiz. 

 You will have to update the render window size each time your widows panel
is re-sized, but everything else can be done on the c++ side.

brooke



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