Auto-arrange UML diagrams in visual studio 2010

I'm creating UML diagrams (use case and class diagrams) in Visual Studio 2010 for a new project. Instead of using drag and drop to place all the model elements in a visually pleasing way, I would like to automatic开发者_StackOverflow中文版ally arrange the diagrams, to save time. Is that possible in Visual Studio 2010 Ultimate? In other VS2010 editions?

Depending on the kind of diagrams you are making, there is often a Rearrange layout icon enabled in the Modelling toolbar. Also, right click on the background of the diagram to be able to find and select that option. However, I'm not sure if you are going to be satisfied of the result of the auto-arrange capabilities of VS2010.

For example, in the sequence diagram, click the layout icon left of Create Work Item:

(this is not available in the Class diagram)

Only the VS2010 Ultimate edition allows modelling projects, so that answers the second part of your question.