public class ExportPartShape : BaseModalCommand{public override void OnStart(int instanceId, object argument){base.OnStart(instanceId, argument);var symFile = @"C:\Program Files (x86)\Smart3D\Common2D\Symbol2D\Templates\template.sha";var pp = ClientServiceProvider.SelectSet.SelectedObjects.FirstOrDefault();if (pp == null) return;if (pp is PlatePart){var cp = pp as PlatePartBase;Matrix4X4 bpmt = cp.Matrix;var mt = new Matrix4X4(bpmt);mt.Invert();var ports = cp.GetPorts(TopologyGeometryType.Face, GeometryStage.Current);var p = ports.OrderByDescending(c => c.Area).FirstOrDefault();//ComplexString3d complexString3D;System.Collections.ObjectModel.Collection<ComplexString3d> complexString3Ds;p.GetBoundaries(out complexString3Ds);if (complexString3Ds == null) return;Ingr.RAD2D.Application oSketch2dApplication = (Ingr.RAD2D.Application)MiddleServiceProvider.Sketch2dApplication;oSketch2dApplication.Visible = false;var fn = MiddleUtilities.GetEquivalentProductPath(symFile);var oDoc = oSketch2dApplication.Documents.Add(symFile, false);var oActiveSheet = oDoc.ActiveSheet;foreach (var complexString3D in complexString3Ds){var ents = new System.Collections.ObjectModel.Collection<DrawingObjectBase>();complexString3D.Transform(mt);var curves1 = new System.Collections.ObjectModel.Collection<ICurve>();complexString3D.GetCurves(out curves1);foreach (var cur in curves1.OfType<Curve3d>()){if (cur is Line3d){var l = cur as Line3d;var ccur = oActiveSheet.Lines2d.AddBy2Points(l.StartPoint.X, l.StartPoint.Y, l.EndPoint.X, l.EndPoint.Y);ents.Add(ccur);}else if (cur is Arc3d){var arc = cur as Arc3d;var iscw = arc.Normal.Z > 0;var ccur = oActiveSheet.Arcs2d.AddByCenterStartEnd(arc.Center.X, arc.Center.Y,iscw ? arc.StartPoint.X : arc.EndPoint.X, iscw ? arc.StartPoint.Y : arc.EndPoint.Y,iscw ? arc.EndPoint.X : arc.StartPoint.X, iscw ? arc.EndPoint.Y : arc.StartPoint.Y);ccur.LinearStyle.Color = System.Drawing.Color.Red;ents.Add(ccur);}else if (cur is EllipticalArc3d){var arc = cur as EllipticalArc3d;var ccur = oActiveSheet.EllipticalArcs2d.AddByCenter(arc.Center.X, arc.Center.Y,arc.MajorAxis.X, arc.MajorAxis.Y, arc.MinorMajorRatio,Geom2dOrientationConstants.igGeom2dOrientClockwise, arc.StartAngle, arc.StartAngle + arc.SweepAngle);ccur.LinearStyle.Color = System.Drawing.Color.Yellow;ents.Add(ccur);}else if (cur is BSplineCurve3d){var arc = cur as BSplineCurve3d;int order;int number;System.Collections.ObjectModel.Collection<Position> colPoles;System.Collections.ObjectModel.Collection<double> weights = new System.Collections.ObjectModel.Collection<double>();System.Collections.ObjectModel.Collection<double> kds;arc.GetPolesWeightsKnots(out order, out number, out colPoles, out weights, out kds);var poleArray = colPoles.SelectMany(c => new double[] { c.X, c.Y }).ToArray();var ccur = oActiveSheet.BSplineCurves2d.AddByPoints(order, number, ref poleArray);ccur.LinearStyle.Color = System.Drawing.Color.Magenta;ents.Add(ccur);}var gp= oActiveSheet.Groups.AddByObjects(ents, true);}}string strSymbolFile = $@"C:\{DateTime.Now.ToString("yyyyMMddHHmmssffff")}.sha";oDoc.SaveAsEx(strSymbolFile, SaveAsFilterType.igSaveAsIGR);oDoc.SaveAsEx(Path.ChangeExtension(strSymbolFile,".dwg"), SaveAsFilterType.igSaveAs2000DWG);oDoc.Close(false);Process.Start(strSymbolFile);Process.Start(Path.ChangeExtension(strSymbolFile, ".dwg"));}}}