How to find out when the Listbox is full and displayed to the user in WP7. This is due to the fact that it takes 1 to 2 seconds to display the text in the form of a list depending on the data, until I need to display a progress indicator for the user instead of a blank screen.
Not sure if this is what you want, but you can always track the LayoutUpdated event : it changes every time the visible contents of the ListBox changes
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