我已经找到了解决方案。为了感谢levanovd的帮助,我将选择他的答案作为正确的答案。
基本上,修复方法是对
TabItem
控件模板进行一行更改。首先复制正常的
TabItem
控件模板,并将控件模板设置为目标类型为
TabItem
的所有控件。找到
IsSelected
触发器,并将其更改为以下内容:
<Setter Property="Background" TargetName="Bd" Value="{Binding Path=Background, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type TabControl}}}"/>
Bd
是设置
TabItem
标签区域边框和背景的
Border
控件。这段标记告诉WPF将
Bd
的
Background
属性绑定到相对源。在这种情况下,相对源是托管
TabItem
的
TabControl
的
Background
属性。因此,当您设置
TabControl
的
Background
属性时,颜色将流经所有托管在
TabControl
中的
TabItem
控件的标签区域。
下面是我在Blend 3中创建的演示的完整标记:
<Window
xmlns="http:
xmlns:x="http:
x:Class="WpfApplication1.MainWindow"
x:Name="Window"
Title="MainWindow"
Width="640" Height="480">
<Window.Resources>
<Style x:Key="TabItemFocusVisual">
<Setter Property="Control.Template">
<Setter.Value>
<ControlTemplate>
<Rectangle Stroke="Black" StrokeDashArray="1 2" StrokeThickness="1" Margin="3,3,3,1" SnapsToDevicePixels="true"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<SolidColorBrush x:Key="TabControlNormalBorderBrush" Color="#8C8E94"/>
<LinearGradientBrush x:Key="ButtonNormalBackground" EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#F3F3F3" Offset="0"/>
<GradientStop Color="#EBEBEB" Offset="0.5"/>
<GradientStop Color="#DDDDDD" Offset="0.5"/>
<GradientStop Color="#CDCDCD" Offset="1"/>
</LinearGradientBrush>
<LinearGradientBrush x:Key="TabItemHotBackground" EndPoint="0,1" StartPoint="0,0">
<GradientStop Color="#EAF6FD" Offset="0.15"/>
<GradientStop Color="#D9F0FC" Offset=".5"/>
<GradientStop Color="#BEE6FD" Offset=".5"/>
<GradientStop Color="#A7D9F5" Offset="1"/>
</LinearGradientBrush>
<SolidColorBrush x:Key="TabItemSelectedBackground" Color="#F9F9F9"/>
<SolidColorBrush x:Key="TabItemHotBorderBrush" Color="#3C7FB1"/>
<SolidColorBrush x:Key="TabItemDisabledBackground" Color="#F4F4F4"/>
<SolidColorBrush x:Key="TabItemDisabledBorderBrush" Color="#FFC9C7BA"/>
<Style TargetType="">
<Setter Property="FocusVisualStyle" Value=""/>
<Setter Property="Foreground" Value="Black"/>
<Setter Property="Padding" Value="6,1,6,1"/>
<Setter Property="BorderBrush" Value=""/>
<Setter Property="Background" Value=""/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="VerticalContentAlignment" Value="Stretch"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="">
<Grid SnapsToDevicePixels="true">
<Border x:Name="Bd" Background="" BorderBrush="" BorderThickness="1,1,1,0" Padding="">
<ContentPresenter x:Name="Content" HorizontalAlignment="}}" VerticalAlignment="}}" SnapsToDevicePixels="" ContentSource="Header" RecognizesAccessKey="True"/>
</Border>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Background" TargetName="Bd" Value=""/>
</Trigger>
<Trigger Property="IsSelected" Value="true">
<Setter Property="Panel.ZIndex" Value="1"/>
<Setter Property="Background" TargetName="Bd" Value="}}"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="false"/>
<Condition Property="IsMouseOver" Value="true"/>
</MultiTrigger.Conditions>
<Setter Property="BorderBrush" TargetName="Bd" Value=""/>
</MultiTrigger>
<Trigger Property="TabStripPlacement" Value="Bottom">
<Setter Property="BorderThickness" TargetName="Bd" Value="1,0,1,1"/>
</Trigger>
<Trigger Property="TabStripPlacement" Value="Left">
<Setter Property="BorderThickness" TargetName="Bd" Value="1,1,0,1"/>
</Trigger>
<Trigger Property="TabStripPlacement" Value="Right">
<Setter Property="BorderThickness" TargetName="Bd" Value="0,1,1,1"/>
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="true"/>
<Condition Property="TabStripPlacement" Value="Top"/>
</MultiTrigger.Conditions>
<Setter Property="Margin" Value="-2,-2,-2,-1"/>
<Setter Property="Margin" TargetName="Content" Value="0,0,0,1"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="true"/>
<Condition Property="TabStripPlacement" Value="Bottom"/>
</MultiTrigger.Conditions>
<Setter Property="Margin" Value="-2,-1,-2,-2"/>
<Setter Property="Margin" TargetName="Content" Value="0,1,0,0"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="true"/>
<Condition Property="TabStripPlacement" Value="Left"/>
</MultiTrigger.Conditions>
<Setter Property="Margin" Value="-2,-2,-1,-2"/>
<Setter Property="Margin" TargetName="Content" Value="0,0,1,0"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="true"/>
<Condition Property="TabStripPlacement" Value="Right"/>
</MultiTrigger.Conditions>
<Setter Property="Margin" Value="-1,-2,-2,-2"/>
<Setter Property="Margin" TargetName="Content" Value="1,0,0,0"/>
</MultiTrigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Background" TargetName="Bd" Value=""/>
<Setter Property="BorderBrush" TargetName="Bd" Value=""/>
<Setter Property="Foreground" Value="}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
<Grid x:Name="LayoutRoot">
<TabControl Background="Beige" HorizontalAlignment="Left" VerticalAlignment="Top" Width="500" Height="300">
<TabItem Header="TabItem">
<Grid/>
</TabItem>
<TabItem Header="TabItem">
<Grid/>
</TabItem>
</TabControl>
</Grid>
</Window>