API Reference > ui-framework > Picker > ExpandableSection ExpandableSection<SS> Class Beta Expandable Section React component used by ListPickerBase Extends PureComponent<ExpandableSectionProps, ExpandableSectionState> Methods Name Description constructor(props: ExpandableSectionProps): ExpandableSection Creates an ExpandableSection render(): Element Renders ExpandableSection Inherited methods Name Inherited from Description UNSAFE_componentWillMount(): void Optional DeprecatedLifecycle Called immediately before mounting occurs, and before Component#render. UNSAFE_componentWillReceiveProps(nextProps: Readonly<ExpandableSectionProps>, nextContext: any): void Optional DeprecatedLifecycle Called when the component may be receiving new props. UNSAFE_componentWillUpdate(nextProps: Readonly<ExpandableSectionProps>, nextState: Readonly<ExpandableSectionState>, nextContext: any): void Optional DeprecatedLifecycle Called immediately before rendering when new props or state is received. componentDidCatch(error: Error, errorInfo: ErrorInfo): void Optional ComponentLifecycle Catches exceptions generated in descendant components. componentDidMount(): void Optional ComponentLifecycle Called immediately after a component is mounted. componentDidUpdate(prevProps: Readonly<ExpandableSectionProps>, prevState: Readonly<ExpandableSectionState>, snapshot?: SS): void Optional NewLifecycle Called immediately after updating occurs. componentWillMount(): void Optional DeprecatedLifecycle Called immediately before mounting occurs, and before Component#render. componentWillReceiveProps(nextProps: Readonly<ExpandableSectionProps>, nextContext: any): void Optional DeprecatedLifecycle Called when the component may be receiving new props. componentWillUnmount(): void Optional ComponentLifecycle Called immediately before a component is destroyed. componentWillUpdate(nextProps: Readonly<ExpandableSectionProps>, nextState: Readonly<ExpandableSectionState>, nextContext: any): void Optional DeprecatedLifecycle Called immediately before rendering when new props or state is received. getSnapshotBeforeUpdate(prevProps: Readonly<ExpandableSectionProps>, prevState: Readonly<ExpandableSectionState>): SS | null Optional NewLifecycle Runs before React applies the result of render to the document, and shouldComponentUpdate(nextProps: Readonly<ExpandableSectionProps>, nextState: Readonly<ExpandableSectionState>, nextContext: any): boolean Optional ComponentLifecycle Called to determine whether the change in props and state should trigger a re-render. Defined in ui/framework/src/ui-framework/pickers/ListPicker.tsx Line 119 Last Updated: 13 June, 2024