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# Class Ext.ux.tree.ColumnNodeUI

Package: | Ext.ux.tree
Defined In: | ux-all-debug.js
Class: | ColumnNodeUI
Extends: | Object

## Public Properties

This class has no public properties.

## Public Methods

Method | Defined By
--- | ---
| setActiveTab( `String/Panel tab` ) : void Sets the specified tab as the active tab. This method fires the beforetabchange event which can return false to cance... Sets the specified tab as the active tab. This method fires the beforetabchange event which can return false to cancel the tab change. Parameters: `tab` : String/Panel The id or tab Panel to activate Returns: void | ColumnNodeUI

## Public Events

This class has no public events.