在 WPF TabControl 中隐藏 Tab 标头 [英] Hide Tab headers in WPF TabControl

问题描述

当只有一个可见的 Tab 时，隐藏 Tab 标题的最佳方法是什么?

What is the best way to hide Tab headers when there is only a single visible Tab?

我想完全隐藏 TabControl 镶边，同时让 Tab 的内容可见.

I want to hide TabControl chrome completely, while leaving the content of the Tab visible.

推荐答案

您可以将应用于 TabItem 的 Style 与 DataTrigger 一起使用，如果父 TabControl 只有一项，它将折叠它:

You can use a Style applied to TabItem with a DataTrigger that will collapse it if the parent TabControl has only one item:

<Grid xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:sys="clr-namespace:System;assembly=mscorlib"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Grid.Resources>
        <x:Array x:Key="tabData" Type="{x:Type sys:String}">
            <sys:String>do</sys:String>
            <sys:String>re</sys:String>
            <sys:String>mi</sys:String>
        </x:Array>
    </Grid.Resources>
    <TabControl ItemsSource="{StaticResource tabData}">
        <TabControl.ItemContainerStyle>
            <Style TargetType="{x:Type TabItem}">
                <Style.Triggers>
                    <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type TabControl}}, Path=Items.Count}" Value="1">
                        <Setter Property="Visibility" Value="Collapsed"/>
                    </DataTrigger>
                </Style.Triggers>                
            </Style>
        </TabControl.ItemContainerStyle>
    </TabControl>
</Grid>

如果您想在只有一项的情况下完全摆脱 TabControl，那么该逻辑可能应该在更高的级别.

If you want to get rid of the TabControl completely if there is only one item, that logic should probably be at a higher level.

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