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

nickxtsui nickxtsui at gmail.com
Thu Dec 5 16:03:09 EST 2013

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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