Multiple diagrams / window panes?

[Evaluator]

Hi - I suspect this is an FAQ but can't find the answer anywhere so, apologies upfront....I'm evaluating the desktop version at the moment - seems like tremendous value-for-money so far but I have hist a snag...

I'm working on a one diagram and would like to be able to see another diagram in a separate pane at the same time. Can this be done? I'd expected to find the equivalent of a "New Window" option somewhere.

For me, this is really useful when developing scenarios e.g. using sequence diagrams - I like to be able to browse the classes in one diagram while looing at the interactions in the other.

Any help would be approeciated - thanks in advance

Cheers