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Components / TreeView / API / TreeViewExpandChangeEvent /

TreeViewExpandChangeEvent

Represents the object of the onExpandChange event (see example).

Name	Type	Default	Description
item	`any`		The item that is expanded or collapsed.
itemHierarchicalIndex	`string`		The hierarchical index of the item. The indices are zero-based. The first root item has a `0` (zero) index. If the first root item has children, the first child acquires a `0_0` index and the second acquires a `0_1` index.
nativeEvent	`any`		A native DOM event.
syntheticEvent	`SyntheticEvent<any>`		A React Synthetic Event.
target	`TreeView`		An event target.

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