Flex中如何通过paddingTop样式，设置TabNavigator控件内容与Tabs间距离

main.mxml

1. <?xml version="1.0" encoding="utf-8"?>
2. <mx:Applicationxmlns:mx="http://www.adobe.com/2006/mxml"
3. layout="vertical"
4. verticalAlign="middle"
5. backgroundColor="white">
7. <mx:ApplicationControlBardock="true">
8. <mx:FormstyleName="plain">
9. <mx:FormItemlabel="paddingTop:">
10. <mx:HSliderid="slider"
11. minimum="0"
12. maximum="20"
13. value="10"
14. liveDragging="true"
15. snapInterval="1"
16. tickInterval="1"/>
17. </mx:FormItem>
18. </mx:Form>
19. </mx:ApplicationControlBar>
21. <mx:TabNavigatorwidth="360"
22. height="120"
23. paddingTop="{slider.value}"
24. backgroundColor="#666666">
25. <mx:VBoxid="vb1" label="Red" backgroundColor="red">
26. <mx:Labeltext="width:{vb1.width}, height:{vb1.height}" />
27. </mx:VBox>
28. <mx:VBoxid="vb2" label="Orange" backgroundColor="haloOrange">
29. <mx:Labeltext="width:{vb2.width}, height:{vb2.height}" />
30. </mx:VBox>
31. <mx:VBoxid="vb3" label="Yellow" backgroundColor="yellow">
32. <mx:Labeltext="width:{vb3.width}, height:{vb3.height}" />
33. </mx:VBox>
34. <mx:VBoxid="vb4" label="Green" backgroundColor="haloGreen">
35. <mx:Labeltext="width:{vb4.width}, height:{vb4.height}" />
36. </mx:VBox>
37. <mx:VBoxid="vb5" label="Blue" backgroundColor="haloBlue">
38. <mx:Labeltext="width:{vb5.width}, height:{vb5.height}" />
39. </mx:VBox>
40. </mx:TabNavigator>
42. </mx:Application>