<ScrollViewer x:Name="scrolls" VerticalScrollBarVisibility="Auto" HorizontalScrollBarVisibility="Auto" Height="300">
<ScrollViewer.Content>
<StackPanel x:Name="numberedItemsStackPanel" Orientation="Horizontal" ScrollViewer.VerticalScrollBarVisibility="Auto">
…………………………………………
</StackPanel>
</ScrollViewer.Content>
</ScrollViewer>
属性:Orientation决定显示方向(水平或垂直).