Chomo.Window1.SHP2KML C# (CSharp) Method

        private void SHP2KML(string shpFile, string kmlFile)
        {
            SharpMap.Data.Providers.ShapeFile shp = new SharpMap.Data.Providers.ShapeFile(shpFile);
            SharpMap.Data.FeatureDataSet fds = new SharpMap.Data.FeatureDataSet();

            shp.Open();
            shp.ExecuteIntersectionQuery(shp.GetExtents(), fds);
            System.Data.DataTable dt = fds.Tables[0];

            KMLib.KMLRoot kml = new KMLib.KMLRoot();
            for (int i = 0; i < dt.Rows.Count; i++ )
            {
                SharpMap.Data.FeatureDataRow row = dt.Rows[i] as SharpMap.Data.FeatureDataRow;

                StringBuilder description = new StringBuilder();

                for (int j = 0; j < dt.Columns.Count; j++)
                {
                    description.Append("<p><b>" + capitalize(dt.Columns[j].ToString()) + "</b>:  " + row[j] + "</p>\n");
                }

                if (row.Geometry is SharpMap.Geometries.Point)
                {
                    var pointGeom = row.Geometry as SharpMap.Geometries.Point;
                    var placemark = new KMLib.Feature.Placemark();
                    placemark.Point = new KMLib.Geometry.KmlPoint((float) pointGeom.X, (float) pointGeom.Y);

                    placemark.description = description.ToString();

                    kml.Document.Add(placemark);
                }
                else if (row.Geometry is SharpMap.Geometries.Polygon)
                {
                    var polygonGeom = row.Geometry as SharpMap.Geometries.Polygon;
                    var placemark = new KMLib.Feature.Placemark();

                    var polygon = new KMLib.Polygon();
                    var boundary = new KMLib.BoundaryIs();
                    foreach (SharpMap.Geometries.Point vertex in polygonGeom.ExteriorRing.Vertices)
                    {
                        boundary.LinearRing.Coordinates.Add(new Core.Geometry.Point3D(vertex.X, vertex.Y));
                    }
                    boundary.LinearRing.CloseRing();
                    boundary.LinearRing.Extrude = true;
                    polygon.OuterBoundaryIs = boundary;

                    var interiorRing = new KMLib.BoundaryIs();
                    for (int j = 0; j < polygonGeom.NumInteriorRing; j++)
                    {
                        foreach (SharpMap.Geometries.Point point in polygonGeom.InteriorRing(j).Vertices)
                        {
                            interiorRing.LinearRing.Coordinates.Add(new Core.Geometry.Point3D(point.X, point.Y));
                        }
                        interiorRing.LinearRing.CloseRing();
                    }
                    polygon.InnerBoundaryIs = interiorRing;

                    placemark.Polygon = polygon;

                    kml.Document.Add(placemark);
                }
            }
            kml.Save(kmlFile);
            shp.Close();

            btnConvert.Content = "Done Converting";
        }