由于无法看到附加的图像,因此只能猜测所需的外观应该是什么 - 我在 WPF 中进行了快速测试,更改了标签的模板并添加了应用了 BlurEffect 的第二个 ContentPresenter。
假设外观正是您所寻找的,那么这是一种快速而简单的方法。
<Style TargetType="{x:Type Label}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Label}">
<Border BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
Background="{TemplateBinding Background}"
Padding="{TemplateBinding Padding}" SnapsToDevicePixels="True">
<Grid>
<ContentPresenter ContentTemplate="{TemplateBinding ContentTemplate}"
Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" RecognizesAccessKey="True"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
Opacity="0.5">
<ContentPresenter.Effect>
<BlurEffect Radius="5" />
</ContentPresenter.Effect>
</ContentPresenter>
<ContentPresenter ContentTemplate="{TemplateBinding ContentTemplate}"
Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" RecognizesAccessKey="True"
SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsEnabled" Value="False">
<Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
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