May I ask how do you link a IBD into a BDD in Modelio? I tried using the method by dragging the IBD into the BDD but it does not work. I would want to access the IBD by double clicking on the respective block in BDD.
To navigate from a diagram to another, you have to right click on an element and then use the "Related diagrams..." entry in the contextual menu as depicted below.
This command lists a set of diagram by default. If you want to add another one, you have to use the "Related diagram link" tool available in most diagrams.