ExpandDirective

Represents a directive that manages the expanded state of the TreeView (see example).

html

<kendo-treeview
    kendoTreeViewExpandable
    expandBy="id"
    [(expandedKeys)]="expandedKeys"
    [expandOnFilter]="true"
    [nodes]="data">
</kendo-treeview>

Selector

[kendoTreeViewExpandable]

Inputs

Name	Type	Default	Description
expandedKeys	any[]		Defines the collection that stores the expanded keys.
expandBy	string | (context: TreeItem) => any		Defines the item key stored in the expandedKeys collection.
expandOnFilter	boolean | FilterExpandSettings	false	Specifies whether to auto-expand the nodes leading from the root node to each filter result. To fine-tune this behavior, pass a FilterExpandSettings object to this input.

Events

Name	Type	Description
expandedKeysChange	EventEmitter<any[]>	Fires when the expandedKeys collection updates.