I am afraid I did not follow your question completely. Did you mean you need to add the elements outside map viewport? In this case you can always add those elements to the information layer and they will show up when they come into view (by zooming and/or panning).
the Telerik team
Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items.