ArcMapAddinDistanceAndDirection.ViewModels.RangeViewModel.ConstructGeoCircle C# (CSharp) Метод

        private void ConstructGeoCircle()
        {
            var construct = new Polyline() as IConstructGeodetic;
            if (construct != null)
            {
                construct.ConstructGeodesicCircle(Point1, GetLinearUnit(), Distance, esriCurveDensifyMethod.esriCurveDensifyByAngle, 0.45);
                Point2 = (construct as IPolyline).ToPoint;
                this.AddGraphicToMap(construct as IGeometry);
                maxDistance = Math.Max(Distance, maxDistance);
            }
        }