API Reference > ui-components > Tree > TreeProps > onSelectionLoadProgress onSelectionLoadProgress onSelectionLoadProgress: undefined | (loaded: number, total: number, cancel: () => void) => void Called to report progress of selection load. Arguments: loaded - number of items loaded total - total number of items that need to be loaded cancel - callback method to cancel the load Note: the callback is only called when selection change involves some not-loaded nodes. Defined in ui/components/src/ui-components/tree/component/Tree.tsx Line 119 Last Updated: 13 June, 2024