/// <summary> /// Internal constructor for the AdaptiveComponent wrapper /// </summary> /// <param name="pts">Points to use as reference</param> /// <param name="fs">FamilySymbol to place</param> private AdaptiveComponent(Point[] pts, FamilySymbol fs) { // if the family instance is present in trace... var oldFam = ElementBinder.GetElementFromTrace<Autodesk.Revit.DB.FamilyInstance>(Document); // just mutate it... if (oldFam != null) { InternalSetFamilyInstance(oldFam); if (fs.InternalFamilySymbol.Id != oldFam.Symbol.Id) InternalSetFamilySymbol(fs); InternalSetPositions(pts.ToXyzs()); return; } // otherwise create a new family instance... TransactionManager.Instance.EnsureInTransaction(Document); var fam = AdaptiveComponentInstanceUtils.CreateAdaptiveComponentInstance(Element.Document, fs.InternalFamilySymbol); if (fam == null) throw new Exception("An adaptive component could not be found or created."); InternalSetFamilyInstance(fam); InternalSetPositions(pts.ToXyzs()); TransactionManager.Instance.TransactionTaskDone(); // remember this value ElementBinder.SetElementForTrace(this.InternalElement); }