[vtkusers] VTK C#: vtkAffineWidget "PlaceWidget" wants a IntPtr instead of the bounds???

mrHiggins metzger at zoller-d.com
Fri Dec 6 02:30:47 EST 2013


I found that in another example. But it don’t work really for the affinewidget…  but I think the problem here is something else. So marshalling should work.

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Von: nickxtsui [via VTK] [mailto:ml-node+s1045678n5724858h20 at n5.nabble.com]
Gesendet: Donnerstag, 5. Dezember 2013 22:03
An: Michael Metzger
Betreff: Re: VTK C#: vtkAffineWidget "PlaceWidget" wants a IntPtr instead of the bounds???

You can try this function to convert double[] to IntPtr:

public IntPtr DoubleArrayToIntPtr(double[] d)
            IntPtr p = Marshal.AllocCoTaskMem(sizeof(double) * d.Length);
            Marshal.Copy(d, 0, p, d.Length);
            return p;
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