Listbox in ScrollViewer Can Virtualization?

Question

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.