ArcMapAddinDistanceAndDirection.ViewModels.CircleViewModel.CreateCircle C# (CSharp) Метод

        private void CreateCircle()
        {
            if (Point1 == null && Point2 == null)
            {
                return;
            }

            var polyLine = new Polyline() as IPolyline;
            polyLine.SpatialReference = Point1.SpatialReference;
            var ptCol = polyLine as IPointCollection;
            ptCol.AddPoint(Point1); 
            ptCol.AddPoint(Point2);

            UpdateDistance(polyLine as IGeometry);

            try
            {
                var construct = new Polyline() as IConstructGeodetic;
                if (construct != null)
                {
                    construct.ConstructGeodesicCircle(Point1, GetLinearUnit(), Distance, esriCurveDensifyMethod.esriCurveDensifyByDeviation, 0.0001);
                    //var color = new RgbColorClass() { Red = 255 } as IColor;
                    this.AddGraphicToMap(construct as IGeometry);
                    Point2 = null; 
                    HasPoint2 = false;
                    ResetFeedback();
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }