WPF - StackPanel 向左隐藏内容

WPF - StackPanel Hide Content to Left

我正在尝试在 StackPanel 中插入一个按钮列表 但我想将换行内容隐藏到左侧而不是右侧,就像它目前所做的那样

这是我的代码xaml

<StackPanel Orientation="Horizontal" >
    <Button Width="50">1.5678</Button>
    <Button Width="50">1.5678</Button>
    <Button Width="50">1.5678</Button>
    <Button Width="50">1.5678</Button>
    <Button Width="50">1.5678</Button>
    <Button Width="50">1.5678</Button>
    <Button Width="50">1.5678</Button>
    <TextBox x:Name="EDT_NUMERO_CFOP" Style="{StaticResource TextBoxNoBorder}" Height="30"></TextBox>
</StackPanel>

我认为 "hideToLeft"

FlowDirection 属性 = RightToLeft[将 StackPanel 包裹在 ScrollViewer 内=12=]

   <ScrollViewer CanContentScroll="True" FlowDirection="RightToLeft">
    <StackPanel Orientation="Horizontal" Margin="0,0,6,6.5" >
        <Button Width="50">1.5678</Button>
        <Button Width="50">1.5678</Button>
        <Button Width="50">1.5678</Button>
        <Button Width="50">1.5678</Button>
        <Button Width="50">1.5678</Button>
        <Button Width="50">1.5678</Button>
        <Button Width="50">1.5678</Button>
        <TextBox x:Name="EDT_NUMERO_CFOP" Style="{StaticResource TextBoxNoBorder}"  Height="30"></TextBox>
    </StackPanel>
</ScrollViewer>