TreeViewExpandChangeEvent

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

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.