Added PickNewHostMultipleRailings

PickNewHostMultipleRailings-DP/PickNewHostMultipleRailings-DP.py

@@ -0,0 +1,24 @@
+import clr
+clr.AddReference('RevitAPI')
+from Autodesk.Revit.DB import *
+
+clr.AddReference("RevitServices")
+import RevitServices
+from RevitServices.Persistence import DocumentManager
+from RevitServices.Transactions import TransactionManager
+doc = DocumentManager.Instance.CurrentDBDocument
+
+doc = DocumentManager.Instance.CurrentDBDocument
+
+railing_list = UnwrapElement(IN[0])
+newhost = UnwrapElement(IN[1])
+
+TransactionManager.Instance.EnsureInTransaction(doc)
+
+hostId = newhost.Id
+for r in railing_list:
+    r.HostId = hostId
+
+TransactionManager.Instance.TransactionTaskDone()
+
+OUT = railing_list