Quadrilateral ConvertQuadrilateral(Quadrilateral quadrilateral)
{
return(new Quadrilateral(picker.ConvertPointToPickerCoordinates(quadrilateral.TopLeft),
picker.ConvertPointToPickerCoordinates(quadrilateral.TopRight),
picker.ConvertPointToPickerCoordinates(quadrilateral.BottomLeft),
picker.ConvertPointToPickerCoordinates(quadrilateral.BottomRight)));
}