API Reference > ui-core > Tree > ExpansionToggle ExpansionToggle Class ExpansionToggle React component used by the TreeNode component to show collapsed or expanded state Extends PureComponent<ExpansionToggleProps> Methods Name Description constructor(props: Readonly<ExpansionToggleProps>): ExpansionToggle constructor(props: ExpansionToggleProps, context?: any): ExpansionToggle render(): Element Defined in ui/core/src/ui-core/tree/ExpansionToggle.tsx Line 27 Last Updated: 29 November, 2022