How to obtain a small offset around a polyline? (AutoCAD .net API)

Rails, Tekla Open API, AutoDesk .NET

Normally you’d go straight for the .Contents property…and I did just that but I also got some formatting marks. So how’d you get it without them?
You want certain objects to be selected at the end of a command. How do you do this?

A curious feature to be aware about Ruby.
Now you want to access the modelspace ObjectId.



Question: What is the difference between using .fetch() on a hash rather than just hash_object[:key]? They both do the same thing, right?