I'm working with the Tree View widget and have found that leaf nodes stay open even after the arrayData has changed. For example, if I click on leaf node 2 and 4 to open them up for further inspection but then load new arrayData those same leaf nodes are already expanded with the new data.

Is there a way via code to close all the leaf nodes, or to restrict the widget so only 1 node can be open at a time?

--Andrew Bell

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