Represents the object of the onExpandChange TreeList event.

dataItem any

The data item which is expanded or collapsed.

level number[]

An array of indexes of each parent and current item in the data tree.

nativeEvent any

A native DOM event.

syntheticEvent SyntheticEvent<any>

A React Synthetic Event.

target TreeList

An event target.

value boolean

The available values are:

  • true—If the data item is expanded.
  • false—If the data item is collapsed.