Simple Tree View - Expansion

Handle how users can expand items.

Controlled expansion

Use the expanded prop to control the expanded items.

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

Track node expansion change

Use the onNodeExpansionToggle if you want to react to a node expansion change:

API

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

• <SimpleTreeView />
• <TreeItem />