I have what I assume is a standard setup.   A treeController managing an 
Outline View.  A textView acts as a source for a regex Search. All works as 
expected. The resulting matches are displayed in the outline view.

As I select a row in the outline view, I highlight the matched text in the 
original source.

Currently, I obtain the “selection” of the treeController by implementing and 
outlet to the controller, and using the “selectionIndexPaths” binding to update 
a local variable which holds the selected range information. From then, another 
function implements the highlight. It works, but it seems awfully klunky.

Ideally, I would like to bind from IB the selection of the TreeController to 
the local variable, but I cannot find a way to do this. Is this possible?

Thanks.
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