TreeItemLookup

Updated on Feb 5, 2026

Represents a node-tree lookup structure that stores information about the current node, its parent, and its children. Used in the checkedChange event of the TreeView (see example).

Name	Type	Default	Description
children?	TreeItemLookup[]		The lookup details for the children of the current TreeView node.
item	TreeItem		The current TreeItem instance.
parent?	ItemLookup		The lookup details for the parent of the current TreeView node.