TreeItemLookup

Represents a node-tree lookup structure which persists information about the current node and about its parent and children nodes. 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.