Hi,

I've got something that I'm trying to troubleshoot and I can't figure it out. I 
have an XML file full of elements, i.e.

<Class> 
<Class_ID>1</Class_ID>
<Class_Name>First Class</Class_Name>
</Class>

<Class> 
<Class_ID>2</Class_ID>
<Class_Name>Second Class</Class_Name>
</Class>

<Class> 
<Class_ID>11</Class_ID>
<Class_Name>Subclass of first class</Class_Name>
</Class>

<Class> 
<Class_ID>21</Class_ID>
<Class_Name>Subclass of second class</Class_Name>
</Class>

...

Some classes have subclasses, i.e. Class ID 1 has a subclass of Class ID 11. 
And Class ID 2 has a subclass of Class ID 21. 

My XML parsing class creates UI elements based on the XML and adds them to a 
VBox, i.e. 

private var classXML:XML;
private var classData:XMLList;
                
for (var i:int=0; i<classData.length; i++){

        var myButton:Button = new Button();
        myButton.label = classData[i].Class_Name;
                        
        addChild( myButton );
}

When the XML first loads, the elements will be added to the VBox in the way 
they're defined in the XML. 

However, I have to add the functionality that if a class is clicked it goes to 
the top of the VBox and all its subclasses are listed right under it i.e. Class 
ID 1 is clicked, it goes to the top with Class ID 11 right under it. 

This is what I don't know how to do. What is the best way to resort children in 
a VBox based on ID? 

Any tips are very much appreciated. 

Thank you. 



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