BuildingCoder.CmdLandXml.Execute C# (CSharp) Метод

        public Result Execute(
            ExternalCommandData commandData,
            ref string message,
            ElementSet elements)
        {
            UIApplication app = commandData.Application;
              Document doc = app.ActiveUIDocument.Document;

              W.OpenFileDialog dlg = new W.OpenFileDialog();

              // select file to open

              dlg.Filter = "LandXML files (*.xml)|*.xml";

              dlg.Title = "Import LandXML and "
            + "Create TopographySurface";

              if( dlg.ShowDialog() != W.DialogResult.OK )
              {
            return Result.Cancelled;
              }

              XmlDocument xmlDoc = new XmlDocument();
              xmlDoc.Load( dlg.FileName );

              XmlNodeList pnts
            = xmlDoc.GetElementsByTagName( "Pnts" );

              char[] separator = new char[] { ' ' };
              double x = 0, y = 0, z = 0;

              List<XYZ> pts = new List<XYZ>();

              for( int k = 0; k < pnts.Count; ++k )
              {
            for( int i = 0;
              i < pnts[k].ChildNodes.Count; ++i )
            {
              int j = 1;

              string text = pnts[k].ChildNodes[i].InnerText;
              string[] coords = text.Split( separator );

              foreach( string coord in coords )
              {
            switch( j )
            {
              case 1:
                x = Double.Parse( coord );
                break;
              case 2:
                y = Double.Parse( coord );
                break;
              case 3:
                z = Double.Parse( coord );
                break;
              default:
                break;
            }
            j++;
              }
              pts.Add( new XYZ( x, y, z ) );
            }
              }

              using ( Transaction t = new Transaction( doc ) )
              {
            t.Start( "Create Topography Surface" );

            //TopographySurface surface = doc.Create.NewTopographySurface( pntList );

            //TopographySurface surface = doc.Create.NewTopographySurface( pts ); // 2013

            TopographySurface surface = TopographySurface.Create( doc, pts ); // 2014

            t.Commit();
              }
              return Result.Succeeded;
        }