RhinoDoc.Import with default Set DWG options

[aesthetik0717 (JimYuan)]

Some other articles I found, might be useful for this topic.
To make the command in RhinoDocument run. We might need to script the RunScript command like this article suggests.

Run a Rhino command from a Plugin

Also I found this reply from this article.

How to use input variable when using rhinoapp.runscript?

RhinoApp.RunScript and Grasshopper are not the best of friends. If you really want to add geometry to the 3dm file every time a GH document runs, then I suggest you use proper Rhino.Geometry.Circle constructors and add the result to the document using RhinoDoc.Objects.AddXXXX() methods.