get element selected dynamo revit
import clr
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from System.Collections.Generic import List
clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *
def tolist(obj1):
if hasattr(obj1,'__iter__'): return obj1
else: return [obj1]
def flatten(x):
result = []
for el in x:
if hasattr(el, "__iter__") and not isinstance(el, basestring):
result.extend(flatten(el))
else:
result.append(el)
return result
elements = UnwrapElement(flatten(tolist(IN[0])))
selected = []
Icollection = List[ElementId]()
for e in elements:
try:
Icollection.Add(e.Id)
selected.append(e)
except:
pass
DocumentManager.Instance.CurrentUIApplication.ActiveUIDocument.Selection.SetElementIds(Icollection)
OUT = selected