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46

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Q: 

silverlight 4 - expander - UI virtualization

I have a silverlight application that is showing some data nested in expander control. So I have 1 expander for root element and then some textBoxes and expanders for content.

All thing together looks like a big tree.

And all works great with low number of elements to show. But when I have huge data (like 2000-20000 elements) to display my UI freezes for around 10min.

I searched for this problem on internet and found something about UI virtualization, but I dont know how to transfer this to expander control.

How can I solve this problem?

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