message: Fixed horizontal scroll and drodown height (win),
diff: HorizontalAlignment="Center" VerticalAlignment="Center"
  Margin="4"
  Text="Hello. Yes, this is list."/>
  - <ListBox x:Name="listBox" HorizontalAlignment="Stretch" Height="200" Margin="10,0,10,10"
  + <ListBox x:Name="listBox" HorizontalAlignment="Stretch" MinHeight="30" Height="Auto" Margin="10,0,10,10"
  BorderThickness="0"
  + ScrollViewer.HorizontalScrollBarVisibility="Disabled"
  VerticalAlignment="Top" Width="400"
  VirtualizingStackPanel.VirtualizationMode="Recycling"
  ItemTemplateSelector="{StaticResource autocompleteTemplateSelector}"
  