public void TransformVectors(PointF[] pts)
{
geom.Point2D.Float pt = new geom.Point2D.Float();
for (int i = 0; i < pts.Length; i++)
{
pt.setLocation(pts[i].X, pts[i].Y);
NativeObject.deltaTransform(pt, pt);
pts[i].X = (float)pt.getX();
pts[i].Y = (float)pt.getY();
}
}