[英]How to avoid that a tabItem loses colour
这是Microsoft的文章 ,描述了如何将ColorTemplate
与Triggers
配合使用来解决您的问题。
这是文章中的示例,以防万一将来由于某些原因链接断开:
<Style TargetType="{x:Type TabItem}">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Grid>
<Border
Name="Border"
Margin="0,0,-4,0"
Background="{StaticResource LightBrush}"
BorderBrush="{StaticResource SolidBorderBrush}"
BorderThickness="1,1,1,1"
CornerRadius="2,12,0,0" >
<ContentPresenter x:Name="ContentSite"
VerticalAlignment="Center"
HorizontalAlignment="Center"
ContentSource="Header"
Margin="12,2,12,2"
RecognizesAccessKey="True"/>
</Border>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter Property="Panel.ZIndex" Value="100" />
<Setter TargetName="Border" Property="Background" Value="{StaticResource WindowBackgroundBrush}" />
<Setter TargetName="Border" Property="BorderThickness" Value="1,1,1,0" />
</Trigger>
<Trigger Property="IsEnabled" Value="False">
<Setter TargetName="Border" Property="Background" Value="{StaticResource DisabledBackgroundBrush}" />
<Setter TargetName="Border" Property="BorderBrush" Value="{StaticResource DisabledBorderBrush}" />
<Setter Property="Foreground" Value="{StaticResource DisabledForegroundBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
资源:
<LinearGradientBrush x:Key="LightBrush" StartPoint="0,0" EndPoint="0,1">
<GradientBrush.GradientStops>
<GradientStopCollection>
<GradientStop Color="#FFF" Offset="0.0"/>
<GradientStop Color="#EEE" Offset="1.0"/>
</GradientStopCollection>
</GradientBrush.GradientStops>
</LinearGradientBrush>
...
<SolidColorBrush x:Key="SolidBorderBrush" Color="#888" />
...
<SolidColorBrush x:Key="WindowBackgroundBrush" Color="#FFF" />
...
<SolidColorBrush x:Key="DisabledBackgroundBrush" Color="#EEE" />
...
<SolidColorBrush x:Key="DisabledBorderBrush" Color="#AAA" />
...
<SolidColorBrush x:Key="DisabledForegroundBrush" Color="#888" />
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