The changing of the View Display is a MicroStation feature, you can change the display of your model according to the different available display style that will suit you. Changing the view display will give you better options in working within your model. This wiki explains how one can change the View Display Style within ProStructures CONNECT Edition.
1. Click on the Display Style List icon.
2. Select the View Display Style on the list.
3. Apply to the view you are working on.