摆脱 ListView 中 1 像素的填充/边框间隙？

发布于 2024-11-28 23:59:48 字数 222 浏览 1 评论 0原文

看看这个！
打破！
我真的需要摆脱这个！
看说明！

<ListView Name="list" BorderThickness="0">

我该如何修复它？
这种间隙不仅发生在滚动条上，也发生在有或没有任何视图的项目上。

原文

Look at this!
Breaking!
I really need to get rid of this!
Look at the delcaration!

<ListView Name="list" BorderThickness="0">

How do I fix it?
This gap doesn't only happen to the scrollbar, it also happens to the items, with or WITHOUT any views.

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不乱于心 2024-12-05 23:59:49

如果你有 Blend，这个问题会更容易修复。如果没有，可以免费试用。您必须为您在该列表中使用的滚动查看器生成控件模板的副本。从那里您可以编辑滚动条的模板。

一旦您接触到滚动条模板，它就会有几个级别的模板深度。 ListView 模板>ItemsPresenter（在本例中为包裹面板）模板> ScrollViewer 模板 >滚动条模板。

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梦毁影碎の 2024-12-05 23:59:48

看起来像是 Template 中的问题，很可能是内部控件的属性，该属性未绑定到 ListBox 向您公开的任何属性。

Vercas 编辑：我发现了问题。
这是ListView的模板：

<ControlTemplate x:Key="ListView" TargetType="ListBox">
    <Border Background="{TemplateBinding Control.Background}" BorderBrush="{TemplateBinding Control.BorderBrush}" BorderThickness="{TemplateBinding Control.BorderThickness}" Name="Bd" Padding="1" SnapsToDevicePixels="True">
        <ScrollViewer Focusable="False" Padding="{TemplateBinding Control.Padding}">
            <ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
        </ScrollViewer>
    </Border>
    <ControlTemplate.Triggers>
        <Trigger Property="UIElement.IsEnabled" Value="False">
            <Setter Property="Border.Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" />
        </Trigger>
        <Trigger Property="ItemsControl.IsGrouping" Value="True">
            <Setter Property="ScrollViewer.CanContentScroll" Value="False" />
        </Trigger>
    </ControlTemplate.Triggers>
</ControlTemplate>

只需将Border的Padding更改为0即可。
如果您不想费心寻找房产，这就是结果。

<ControlTemplate x:Key="ListView" TargetType="ListBox">
    <Border Background="{TemplateBinding Control.Background}" BorderBrush="{TemplateBinding Control.BorderBrush}" BorderThickness="{TemplateBinding Control.BorderThickness}" Name="Bd" Padding="0" SnapsToDevicePixels="True">
        <ScrollViewer Focusable="False" Padding="{TemplateBinding Control.Padding}">
            <ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
        </ScrollViewer>
    </Border>
    <ControlTemplate.Triggers>
        <Trigger Property="UIElement.IsEnabled" Value="False">
            <Setter Property="Border.Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" />
        </Trigger>
        <Trigger Property="ItemsControl.IsGrouping" Value="True">
            <Setter Property="ScrollViewer.CanContentScroll" Value="False" />
        </Trigger>
    </ControlTemplate.Triggers>
</ControlTemplate>

不要忘记将此模板添加到您的 ListView 中！

Looks like a problem in the Template, most likely a property of an internal control which is not bound to any of the properties the ListBox exposes to you.

Edit by Vercas: I have found the problem.
This is the template of the ListView:

<ControlTemplate x:Key="ListView" TargetType="ListBox">
    <Border Background="{TemplateBinding Control.Background}" BorderBrush="{TemplateBinding Control.BorderBrush}" BorderThickness="{TemplateBinding Control.BorderThickness}" Name="Bd" Padding="1" SnapsToDevicePixels="True">
        <ScrollViewer Focusable="False" Padding="{TemplateBinding Control.Padding}">
            <ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
        </ScrollViewer>
    </Border>
    <ControlTemplate.Triggers>
        <Trigger Property="UIElement.IsEnabled" Value="False">
            <Setter Property="Border.Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" />
        </Trigger>
        <Trigger Property="ItemsControl.IsGrouping" Value="True">
            <Setter Property="ScrollViewer.CanContentScroll" Value="False" />
        </Trigger>
    </ControlTemplate.Triggers>
</ControlTemplate>

Just change the Padding of the Border to 0 and you're done.
Here is the result if you don't want to bother finding the property.

<ControlTemplate x:Key="ListView" TargetType="ListBox">
    <Border Background="{TemplateBinding Control.Background}" BorderBrush="{TemplateBinding Control.BorderBrush}" BorderThickness="{TemplateBinding Control.BorderThickness}" Name="Bd" Padding="0" SnapsToDevicePixels="True">
        <ScrollViewer Focusable="False" Padding="{TemplateBinding Control.Padding}">
            <ItemsPresenter SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}" />
        </ScrollViewer>
    </Border>
    <ControlTemplate.Triggers>
        <Trigger Property="UIElement.IsEnabled" Value="False">
            <Setter Property="Border.Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}" />
        </Trigger>
        <Trigger Property="ItemsControl.IsGrouping" Value="True">
            <Setter Property="ScrollViewer.CanContentScroll" Value="False" />
        </Trigger>
    </ControlTemplate.Triggers>
</ControlTemplate>

Don't forget to add this template to your ListView!

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