Windows Phone用户控件在ListBox中无法拉伸

Question

我希望ListBox中的项目能填满所有分配的空间。但它们没有这样做。它们只使用它们需要的空间。

ListBox如下所示：

<ListBox x:Name="StripesList" Grid.Row="1">
  <ListBox.ItemContainerStyle>
    <Style TargetType="ListBoxItem">
      <Setter Property="HorizontalAlignment" Value="Stretch"/>
      <Setter Property="Margin" Value="0,4,0,4"/>
    </Style>
  </ListBox.ItemContainerStyle>
</ListBox>

绑定为 ListBox 项的用户控件：

<UserControl x:Class="Blip.UI.Controls.StatusStrip"
    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"
    mc:Ignorable="d"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    HorizontalAlignment="Stretch">

    <Grid HorizontalAlignment="Stretch">
           <Grid.RowDefinitions>
               <RowDefinition Height="*" MinHeight="76" />
               <RowDefinition Height="20" />
           </Grid.RowDefinitions>
           <Grid.ColumnDefinitions>
               <ColumnDefinition Width="64" />
               <ColumnDefinition Width="*" />
           </Grid.ColumnDefinitions>

           <Image Grid.Column="0" Grid.Row="0" Width="64" Height="64"/>

           <TextBlock Grid.Column="1" Grid.Row="0" Text="Test"/>

           <Grid Grid.ColumnSpan="2" Grid.Row="1">
               <StackPanel Orientation="Horizontal" VerticalAlignment="Bottom">
                   <Image Source="/Resources/1.png" Width="18" Height="18"/>
                   <TextBlock Text="Test" VerticalAlignment="Center" />
               </StackPanel>
           </Grid>
    </Grid>
</UserControl>

我有没有犯错？

- Marc Andreson

Answer 1

您需要将HorizonatalContentAlignment设置为Stretch。

<ListBox x:Name="StripesList" Grid.Row="1">
  <ListBox.ItemContainerStyle>
    <Style TargetType="ListBoxItem">
      <Setter Property="HorizontalAlignment" Value="Stretch"/>
      <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
      <Setter Property="Margin" Value="0,4,0,4"/>
    </Style>
  </ListBox.ItemContainerStyle>
</ListBox>

这是因为否则内容只会占用其所需的空间，而不会使用所有可用的空间。

- ChrisF

Answer 2

设置HorizontalContentAlignment，ListBoxItems已经拉伸，但它们的内容没有。

- H.B.