Want to Traverse AOT\Menu in Ax2012

Hi Team.

I want to Traverse my AOT\Menu 

in Ax2012 .Am using TreeNode And Treenode traverse...

BUt it is working only for my first child element.

Let me know how i can do for All child element.

Treenode.next() is not working....

Suggestions are welcome...

Thanks,

Manas