How can I group a CollectionViewSource and show a specific grouping in the root of a TreeView

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Language: English
Channel Number: 7189218
Article Number: 1494
Date: April 19, 2013, 1:21 am
URL: http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/048dba62-ff4d-4ae3-96b2-7f1651ba9b63
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