I have been using Composite wpf for several months and see no reason why you cannot do what you ask.
, , , "Composite wpf contrib project", "WindowRegionAdaptor", (. : http://www.codeplex.com/CompositeWPFContrib) , , . , .
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eventAggregator.GetEvent<MainWindowShowEvent>().Publish(false);
ShellPresenter , :
eventAggregator.GetEvent<MainWindowShowEvent>().Subscribe(b => View.Show(b) );
WindowRegionAdaptor, , , , .. ( , , )
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