wpf 在样式中声明文本装饰，例如下划线、删除线
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Declaring Text Decorations such as Underline, Strikethrough in a Style
提问by Ash
How do I include text decorations such as Underline, Strikethrough etc in a Style definition:
如何在样式定义中包含文本装饰，例如下划线、删除线等：
<Style x:Key="UnderlinedLabel">
<Setter Property="Control.FontFamily" Value="Trebuchet MS" />
<Setter Property="Control.FontSize" Value="14" />
<!-- Next line fails -->
<Setter Property="Control.TextDecorations" Value="Underline" />
</Style>
I'm familiar with using the following XAML to underline text:
我熟悉使用以下 XAML 为文本加下划线：
<TextBlock>
<Underline>
Underlined text
</Underline>
</TextBlock>
However text decoration is just another style, I want to be able to define it declaritively like FontWeight, FontSize etc.
然而文本装饰只是另一种风格，我希望能够像 FontWeight、FontSize 等一样声明性地定义它。
[Update]
[更新]
I was applying this style to a Label control. This was my main problem. It appears you can't underline text in a Label. Change to a TextBlock (thanks gix) and all is well.
我正在将此样式应用于 Label 控件。这是我的主要问题。看来您不能在标签中为文本加下划线。更改为 TextBlock（感谢 gix），一切都很好。
回答by gix
Underlining text can be done either with <Underline>...</Underline>or with the TextDecorationsattribute set to Underline. You can include the latter in a style definition:
可以使用<Underline>...</Underline>或 将TextDecorations属性设置为来完成下划线文本Underline。您可以在样式定义中包含后者：
<Style x:Key="Underlined">
<Setter Property="TextBlock.TextDecorations" Value="Underline" />
</Style>
<TextBlock Style="{StaticResource Underlined}">
Foo
</TextBlock>
