An IEqualityComparer for a Point3d

Rails, Tekla Open API, AutoDesk .NET

It’s not very often that I write something on the Autocad .net API, so here’s something which you, I suppose, will need one day:

Most of the above answers use code. There is no point me repeating what they say, so I’ll try to explain the concept without code:


What is meant by implementing an interface?
What is an external dependency?

What is a class under test?