Thanks for contacting us.
virtualization mode implies that new items are added at the end of the scrollable list.
I presume what you need here is the so called pull-to-refresh
approach that allows you to insert new items at the beginning of the list. We have already prepared similar functionality in our listbox and it will be included in the Q2 2012 package of RadControls
for Windows Phone
. The pull-to-refresh
approach allows the end user to request new data by pulling the scrollable list at its top end and releasing it. An event will be fired that will allow you to make a data request and load new data.
I hope this helps.
All the best,
the Telerik team
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