BuildingCoder.CmdWallProfile.Execute2 C# (CSharp) Method

        public Result Execute2(
            ExternalCommandData commandData,
            ref string message,
            ElementSet elements)
        {
            UIApplication uiapp = commandData.Application;
              UIDocument uidoc = uiapp.ActiveUIDocument;
              Application app = uiapp.Application;
              Document doc = uidoc.Document;
              View view = doc.ActiveView;

              Autodesk.Revit.Creation.Application creapp
            = app.Create;

              Autodesk.Revit.Creation.Document credoc
            = doc.Create;

              Reference r = uidoc.Selection.PickObject(
            ObjectType.Element, "Select a wall" );

              Element e = uidoc.Document.GetElement( r );

              Wall wall = e as Wall;

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

            // Get the external wall face for the profile

            IList<Reference> sideFaces
              = HostObjectUtils.GetSideFaces( wall,
            ShellLayerType.Exterior );

            Element e2 = doc.GetElement( sideFaces[0] );

            Face face = e2.GetGeometryObjectFromReference(
              sideFaces[0] ) as Face;

            // The normal of the wall external face.

            XYZ normal = face.ComputeNormal( new UV( 0, 0 ) );

            // Offset curve copies for visibility.

            Transform offset = Transform.CreateTranslation(
              5 * normal );

            // If the curve loop direction is counter-
            // clockwise, change its color to RED.

            Color colorRed = new Color( 255, 0, 0 );

            // Get edge loops as curve loops.

            IList<CurveLoop> curveLoops
              = face.GetEdgesAsCurveLoops();

            // ExporterIFCUtils class can also be used for
            // non-IFC purposes. The SortCurveLoops method
            // sorts curve loops (edge loops) so that the
            // outer loops come first.

            IList<IList<CurveLoop>> curveLoopLoop
              = ExporterIFCUtils.SortCurveLoops(
            curveLoops );

            foreach( IList<CurveLoop> curveLoops2
              in curveLoopLoop )
            {
              foreach( CurveLoop curveLoop2 in curveLoops2 )
              {
            // Check if curve loop is counter-clockwise.

            bool isCCW = curveLoop2.IsCounterclockwise(
              normal );

            CurveArray curves = creapp.NewCurveArray();

            foreach( Curve curve in curveLoop2 )
            {
              curves.Append( curve.CreateTransformed( offset ) );
            }

            // Create model lines for an curve loop.

            //Plane plane = creapp.NewPlane( curves ); // 2016

            Plane plane = curveLoop2.GetPlane(); // 2017

            SketchPlane sketchPlane
              = SketchPlane.Create( doc, plane );

            ModelCurveArray curveElements
              = credoc.NewModelCurveArray( curves,
                sketchPlane );

            if( isCCW )
            {
              foreach( ModelCurve mcurve in curveElements )
              {
                OverrideGraphicSettings overrides
                  = view.GetElementOverrides(
                    mcurve.Id );

                overrides.SetProjectionLineColor(
                  colorRed );

                view.SetElementOverrides(
                  mcurve.Id, overrides );
              }
            }
              }
            }
            tx.Commit();
              }
              return Result.Succeeded;
        }