ASPxClientTreeList.NodeCollapsing Event
Fires before a node is collapsed.
Declaration
NodeCollapsing: ASPxClientEvent<ASPxClientTreeListNodeEventHandler<ASPxClientTreeList>>
Event Data
The NodeCollapsing event's data class is ASPxClientTreeListNodeEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
cancel | Gets or sets a value indicating whether the action which raised the event should be canceled. |
htmlEvent | Provides access to the parameters associated with the ASPxClientTreeList.NodeClick and ASPxClientTreeList.NodeDblClick events. |
nodeKey | Gets the processed node’s key value. |
Remarks
Handle the NodeCollapsing event to specify whether the node is allowed to be collapsed. To cancel this action, set the event parameter’s cancel property to true.
To learn more, see Expanding and Collapsing Nodes.
See Also