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tree refresh problem in TreeTable

 
Rachel Mood
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I have a TreeTable struture with Tree in the first column. Tree is contructed dynamically by reading data from the GPS device. Each node(row) in the Tree represents GPS message.
If i expand tree root node when the tree contruction process is going on, then there is a problem. Tree doesn't display nodes(GPS DATA) constructed/read after this point. It displays only those noded that were constructed before tree expansion.
I think there is some problem with Tree refresh. Ideally it should display all the nodes that are added to the root node.
I am not able to make out whether it is the problem with TreeExpansionlistener or Tree Refresh. I tried using repaint(), but it doesn't work.
Please suggest me something.
 
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