i know ListBox default can Virtualization,but i put into ScrollViewer it doesn't work. how shoud i do.
<ScrollViewer VirtualizingStackPanel.IsVirtualizing="True" ScrollViewer.CanContentScroll="True">
<ListBox ItemsSource="{Binding Id}" Width="100">
</ListBox>
</ScrollViewer>
the code doesn't Virtualization when Id's count 1000 OnInitialized.
any one can help me.