dijit Tree : finding treenode associated with new data store item

I want to highlight a programmatically inserted node. I'm inserting using store.newItem; this gives me a datastore item. To do the highlighting, I need a treenode. Can someone tell开发者_StackOverflow me how to find the treenode associated with the item?

Thanks, Larry

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Tree.getNodesByItem()

It returns an array since there may be multiple TreeNodes for a given item, although usually there's just one.