BuildingCoder.CmdNewExtrusionRoof.Execute C# (CSharp) Метод

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

              using( Transaction tx = new Transaction( doc ) )
              {
            tx.Start( "NewExtrusionRoof" );

            RoofType fs
              = new FilteredElementCollector( doc )
            .OfClass( typeof( RoofType ) )
            .Cast<RoofType>()
            .FirstOrDefault<RoofType>( a => null != a );

            Level lvl
              = new FilteredElementCollector( doc )
            .OfClass( typeof( Level ) )
            .Cast<Level>()
            .FirstOrDefault<Level>( a => null != a );

            double x = 1;

            XYZ origin = new XYZ( x, 0, 0 );
            XYZ vx = XYZ.BasisY;
            XYZ vy = XYZ.BasisZ;

            SketchPlane sp = SketchPlane.Create( doc,
              //new Autodesk.Revit.DB.Plane( vx, vy, origin ) // 2016
              Plane.CreateByOriginAndBasis( origin, vx, vy ) );// 2017

            CurveArray ca = new CurveArray();

            XYZ[] pts = new XYZ[] {
              new XYZ( x, 1, 0 ),
              new XYZ( x, 1, 1 ),
              new XYZ( x, 2, 1 ),
              new XYZ( x, 2, 2 ),
              new XYZ( x, 3, 2 ),
              new XYZ( x, 3, 3 ),
              new XYZ( x, 4, 3 ),
              new XYZ( x, 4, 4 ) };

            int n = pts.Length;

            for( int i = 1; i < n; ++i )
            {
              ca.Append( Line.CreateBound(
            pts[i - 1], pts[i] ) );
            }

            doc.Create.NewModelCurveArray( ca, sp );

            View v = doc.ActiveView;

            ReferencePlane rp
              = doc.Create.NewReferencePlane2(
            origin, origin + vx, origin + vy, v );

            rp.Name = "MyRoofPlane";

            ExtrusionRoof er
              = doc.Create.NewExtrusionRoof(
            ca, rp, lvl, fs, 0, 3 );

            Debug.Print( "Extrusion roof element id: "
              + er.Id.ToString() );

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