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Rich Tree View - Expansion

Handle how users can expand items.

Controlled expansion

Use the expandedItems prop to control the expanded items.

You can use the onExpandedItemsChange prop to listen to changes in the expanded items and update the prop accordingly.

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Track item expansion change

Use the onItemExpansionToggle prop if you want to react to an item expansion change:

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API

See the documentation below for a complete reference to all of the props and classes available to the components mentioned here.