RCP: Tree Viewer- selecting a node and passing the underlying object

I have a Treeviewer with 3 levels of nodes, main,branch,leaf. If I select the leaf, the underlying leaf object should be available to me to pass on to other UI elements.
I tried the listener, addSelectionChangedListener. The SelectionChangedEvent, brings only the text which is displayed - not the entire object.

Any insight is highly appreciated.
Thanks
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kumarSaravananAsked:
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kumarSaravananAuthor Commented:
public void selectionChanged(SelectionChangedEvent event) {
		
				
				IStructuredSelection sel = (IStructuredSelection) event.getSelection();
				
				TreeObject element = (TreeObject)sel.getFirstElement();

...

}

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IStructuredSelection allows me to get to the underlying object.
The above code snippet illustrates that.
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