在WPF中正确设置虚拟化列表框的宽度
我有一个WPF列表框,它是用大量行虚拟化的。当我滚动实体时,列表框的大小会发生变化。我试过:在WPF中正确设置虚拟化列表框的宽度,wpf,listbox,virtualization,Wpf,Listbox,Virtualization,我有一个WPF列表框,它是用大量行虚拟化的。当我滚动实体时,列表框的大小会发生变化。我试过: <Setter Property="MinWidth" Value="{Binding Path=ExtentWidth, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ScrollViewer}}}" /> 遗憾的是,我没有足够的声誉来发布我的问题图片,但基本上,当我滚动虚拟化列表框时,框的宽度会随
<Setter Property="MinWidth" Value="{Binding Path=ExtentWidth, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ScrollViewer}}}" />
遗憾的是,我没有足够的声誉来发布我的问题图片,但基本上,当我滚动虚拟化列表框时,框的宽度会随着遇到的项目变长而改变。我想我可以尝试测量codebehind中最长的字符串,并将宽度设置为该值,但我希望有更干净的解决方案
这是我当前的控件模板(无骰子):
尝试相同的相对绑定技巧,但在DataTemplate的最外层项(可能是网格)内。这样,所有项目的大小都相同
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ListBoxItem}">
<Border x:Name="ListItemContainer"
MinWidth="{Binding Path=ExtentWidth, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type ScrollViewer}}}"
BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true">
<ContentPresenter></ContentPresenter>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="true">
<Setter Property="Background" TargetName="ListItemContainer" Value="{DynamicResource AxisValueSelectedBackground}"/>
<Setter Property="Foreground" Value="{DynamicResource AxisValueSelectedForeground}"/>
</Trigger>
<Trigger Property="IsSelected" Value="false">
<Setter Property="Background" TargetName="ListItemContainer" Value="{DynamicResource AxisValueBackground}"/>
<Setter Property="Foreground" Value="{Binding IsEnabled, Converter={StaticResource AxisValueForegroundConverter}}" />
<Setter Property="FontStyle" Value="{Binding IsEnabled, Converter={StaticResource AxisValueFontStyleConverter}}" />
</Trigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding IsAxisSelected}" Value="True"/>
<Condition Binding="{Binding IsAxisValueSelected}" Value="False"/>
</MultiDataTrigger.Conditions>
<Setter Property="Background" TargetName="ListItemContainer" Value="White" />
</MultiDataTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>