Oxyplot WPF中的水平滚动条

<Window x:Class="OxyPlotWpfDemo.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:oxy="http://oxyplot.org/wpf"
        xmlns:local="clr-namespace:OxyPlotWpfDemo"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Disabled" Width="Auto">
            <oxy:PlotView x:Name="plotView" Model="{Binding PlotModel}" Width="Auto"/>
        </ScrollViewer>
    </Grid>
</Window>