BuildingCoder.CmdLinkedFileElements.AddFaceBasedFamilyToLinks C# (CSharp) Метод

        public void AddFaceBasedFamilyToLinks( Document doc )
        {
            ElementId alignedLinkId = new ElementId( 125929 );

              // Get symbol

              ElementId symbolId = new ElementId( 126580 );

              FamilySymbol fs = doc.GetElement( symbolId )
            as FamilySymbol;

              // Aligned

              RevitLinkInstance linkInstance = doc.GetElement(
            alignedLinkId ) as RevitLinkInstance;

              Document linkDocument = linkInstance
            .GetLinkDocument();

              FilteredElementCollector wallCollector
            = new FilteredElementCollector( linkDocument );

              wallCollector.OfClass( typeof( Wall ) );

              Wall targetWall = wallCollector.FirstElement()
            as Wall;

              Reference exteriorFaceRef
            = HostObjectUtils.GetSideFaces(
              targetWall, ShellLayerType.Exterior )
            .First<Reference>();

              Reference linkToExteriorFaceRef
            = exteriorFaceRef.CreateLinkReference(
              linkInstance );

              Line wallLine = ( targetWall.Location
            as LocationCurve ).Curve as Line;

              XYZ wallVector = ( wallLine.GetEndPoint( 1 )
            - wallLine.GetEndPoint( 0 ) ).Normalize();

              using( Transaction t = new Transaction( doc ) )
              {
            t.Start( "Add to face" );

            doc.Create.NewFamilyInstance(
              linkToExteriorFaceRef, XYZ.Zero,
              wallVector, fs );

            t.Commit();
              }
        }