Run Civil 3D Command Line from Dynamo

I looked pretty hard and can’t find much on just having Dynamo run a command in Civil 3D as part of a Dynamo script. I would like to do something like select all Polylines and run a certain command on them. Here is what I have:

What is the warning?

image
Thanks Zach!

import System
from System import Array




CADCC=System.Runtime.InteropServices.Marshal.GetActiveObject("Autocad.Application")
DOCv = CADCC.ActiveDocument
DOCNAME = DOCv.Name
DOCdata = DOCv.Database


MyList = []

MyList.extend([1, 1, 0])
MyList.extend([10, 10, 0])
MyList.extend([15, 15, 0])


lstvertex = Array[float](MyList)

SPACE = DOCv.ModelSpace
poly = SPACE.AddPolyline(lstvertex)
poly.Closed = True


OUT = poly	
1 Like