I am don't think I completely understand your requirement. Can you please send over a drawing with the current and the desired result? This will help me in better understanding your scenario and assist you further.
Note that the diagram coordinate system is independent from the screen size.
In the meantime you can take a look at the BringIntoView()
method of the diagram which have few overloads. One of them accepts as an argument an rectangle that determines the new ViewPort of the diagram, which you can calculate based on the screen resolution or any other factor.
Check out the Telerik Platform - the only platform that combines a rich set of UI tools with powerful cloud services to develop web, hybrid and native mobile apps.