[quote user="dominic SEAH"]Seems to be a re-occuring problem: accessing information in nested elements. [/quote]
MicroStation VBA provides the ComplexElement.GetSubElements method. Nested elements require recursive use of that method while enumerating a complex element.
[quote user="dominic SEAH"]I see a lot of people struggling to access nested elements[/quote]
We've written an overview of Analysing MicroStation Complex Elements with VBA to help those poor souls.