import clrclr.AddReference('ProtoGeometry')from Autodesk.DesignScript.Geometry import *clr.AddReference('RevitAPI')clr.AddReference('RevitUIAPI')import Autodeskfrom Autodesk.Revit.DB import *clr.AddReference('RevitServices')import RevitServicesfrom RevitServices.Persistence import DocumentManagerfrom RevitServices.Transactions import TransactionManagerdoc = DocumentManager.Instance.CurrentDBDocumentuidoc=DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument

	





	





	Ids = uidoc.Selection.GetElementIds()elems=[]



	 



	





	





	 



	

for i in Ids:  if doc.GetElement(i).Category.Id.IntegerValue == int(BuiltInCategory.OST_StructuralFraming):  elems.append(doc.GetElement(i))

if IN[0]:  TransactionManager.Instance.EnsureInTransaction(doc) for el in elems: Structure.StructuralFramingUtils.DisallowJoinAtEnd(el,0) Structure.StructuralFramingUtils.DisallowJoinAtEnd(el,1) TransactionManager.Instance.TransactionTaskDone() else:  TransactionManager.Instance.EnsureInTransaction(doc) for el in elems: Structure.StructuralFramingUtils.AllowJoinAtEnd(el,0) Structure.StructuralFramingUtils.AllowJoinAtEnd(el,1) TransactionManager.Instance.TransactionTaskDone()