Enabling and disabling specific tabs in a TabBar control

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/08/25/enabling-and-disabling-specific-tabs-in-a-tabbar-control/ -->
<mx:Application name="TabBar_enabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">
 
    <mx:ApplicationControlBar dock="true">
        <mx:CheckBox id="tabBarEnabled"
                label="TabBar.enabled"
                selected="true"
                width="25%" />
 
        <mx:CheckBox id="tab1Enabled"
                label="Tab1.enabled"
                selected="true"
                width="25%" />
 
        <mx:CheckBox id="tab2Enabled"
                label="Tab2.enabled"
                selected="true"
                width="25%" />
 
        <mx:CheckBox id="tab3Enabled"
                label="Tab3.enabled"
                selected="true"
                width="25%" />
    </mx:ApplicationControlBar>
 
    <mx:VBox verticalGap="0">
        <mx:TabBar id="tabBar"
                width="400"
                dataProvider="{viewStack}"
                enabled="{tabBarEnabled.selected}" />
 
        <mx:ViewStack id="viewStack" width="400" height="100">
            <mx:VBox id="tab1"
                    label="Tab1"
                    backgroundColor="haloGreen"
                    enabled="{tab1Enabled.selected}">
                <mx:Label text="Label 1" />
            </mx:VBox>
 
            <mx:VBox id="tab2"
                    label="Tab2"
                    backgroundColor="haloBlue"
                    enabled="{tab2Enabled.selected}">
                <mx:Label text="Label 2" />
            </mx:VBox>
 
            <mx:VBox id="tab3"
                    label="Tab3"
                    backgroundColor="haloOrange"
                    enabled="{tab3Enabled.selected}">
                <mx:Label text="Label 3" />
            </mx:VBox>
        </mx:ViewStack>
    </mx:VBox>
 
</mx:Application>