UWP Pivot更改标签的颜色
我正在尝试使用UWP中的标签制作应用程序。我为标签使用Pivot控件，并且标签中有一个新的Pivot。我的目标是将Tab1，Tab1.1，Tab1.2的背景设置为绿色，并将Tab2，Tab2.1，Tab2.2的背景设置为蓝色
<Pivot >
<PivotItem Header="Tab1"> //background must be green
<Pivot>
<PivotItem Header="Tab1.1" /> //background must be green
<PivotItem Header="Tab1.2" /> //background must be green
</Pivot>
</PivotItem>
<PivotItem Header="Tab2"> //background must be blue
<Pivot>
<PivotItem Header="Tab2.1" /> //background must be blue
<PivotItem Header="Tab2.2" /> //background must be blue
</Pivot>
</PivotItem>
</Pivot>
我偶然发现了这篇帖子Overriding Pivot header foreground brushes in UWP app (Win 10 RTM SDK)，并将代码<Style TargetType="PivotHeaderItem">...粘贴到了App.xaml中。从该帖子中，我了解到可以自定义选项卡的外观，但是我不知道该怎么做。问题是，如果我对颜色进行了一些更改，它们将应用于所有选项卡。
您能帮我吗，我是新手。
1 个答案:
答案 0 :(得分：1)
您可以直接调整标题，它是一个对象，但呈现为控件。这是一个示例：
<Pivot Background="Red">
<PivotItem Background="Green">
<PivotItem.Header>
<Grid Background="Green">
<TextBlock Text="Tab1" />
</Grid>
</PivotItem.Header>
<Pivot>
<PivotItem Header="Tab1.1" />
<PivotItem Header="Tab1.2" />
</Pivot>
</PivotItem>
<PivotItem Background="Blue">
<PivotItem.Header>
<Grid Background="Blue">
<TextBlock Text="Tab1" />
</Grid>
</PivotItem.Header>
<Pivot>
<PivotItem Header="Tab2.1" />
<PivotItem Header="Tab2.2" />
</Pivot>
</PivotItem>
</Pivot>
或者，您可以编辑每个PivotItem的样式。
默认样式：
注意：我使用Expression Blend轻松拉出默认的“样式/模板”进行编辑。我建议给Expression Blend有机会在这里为您提供帮助，因为这是它的目的和最佳选择之一。
<Style x:Key="PivotItemStyle1" TargetType="PivotItem">
<Setter Property="Background" Value="{ThemeResource PivotItemBackground}"/>
<Setter Property="Margin" Value="{ThemeResource PivotItemMargin}"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
<Setter Property="VerticalContentAlignment" Value="Stretch"/>
<Setter Property="IsTabStop" Value="False"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="PivotItem">
<Grid Background="{TemplateBinding Background}" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="{TemplateBinding VerticalAlignment}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="Pivot">
<VisualState x:Name="Right"/>
<VisualState x:Name="Left"/>
<VisualState x:Name="Center"/>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<ContentPresenter ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
您还可以编辑Style本身的Pivot。
<ControlTemplate x:Name="ScrollViewerScrollBarlessTemplate" TargetType="ScrollViewer">
<Grid Background="{TemplateBinding Background}">
<ScrollContentPresenter x:Name="ScrollContentPresenter" ContentTemplate="{TemplateBinding ContentTemplate}" Margin="{TemplateBinding Padding}"/>
</Grid>
</ControlTemplate>
<Style x:Key="PivotStyle1" TargetType="Pivot">
<Setter Property="Margin" Value="0"/>
<Setter Property="Padding" Value="0"/>
<Setter Property="Background" Value="{ThemeResource PivotBackground}"/>
<Setter Property="IsTabStop" Value="False"/>
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<Grid/>
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Pivot">
<Grid x:Name="RootElement" Background="{TemplateBinding Background}" HorizontalAlignment="{TemplateBinding HorizontalAlignment}" VerticalAlignment="{TemplateBinding VerticalAlignment}">
<Grid.Resources>
<Style x:Key="BaseContentControlStyle" TargetType="ContentControl">
<Setter Property="FontFamily" Value="XamlAutoFontFamily"/>
<Setter Property="FontWeight" Value="SemiBold"/>
<Setter Property="FontSize" Value="15"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="ContentControl">
<ContentPresenter ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" ContentTransitions="{TemplateBinding ContentTransitions}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" OpticalMarginAlignment="TrimSideBearings" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style x:Key="TitleContentControlStyle" BasedOn="{StaticResource BaseContentControlStyle}" TargetType="ContentControl">
<Setter Property="FontFamily" Value="{ThemeResource PivotTitleFontFamily}"/>
<Setter Property="FontWeight" Value="{ThemeResource PivotTitleThemeFontWeight}"/>
<Setter Property="FontSize" Value="{ThemeResource PivotTitleFontSize}"/>
</Style>
</Grid.Resources>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="Orientation">
<VisualState x:Name="Portrait">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="TitleContentControl" Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotPortraitThemePadding}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Landscape">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="TitleContentControl" Storyboard.TargetProperty="Margin">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotLandscapeThemePadding}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="NavigationButtonsVisibility">
<VisualState x:Name="NavigationButtonsHidden"/>
<VisualState x:Name="NavigationButtonsVisible">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="NextButton" Storyboard.TargetProperty="Opacity">
<DiscreteObjectKeyFrame KeyTime="0" Value="1"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="NextButton" Storyboard.TargetProperty="IsEnabled">
<DiscreteObjectKeyFrame KeyTime="0" Value="True"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="PreviousButton" Storyboard.TargetProperty="Opacity">
<DiscreteObjectKeyFrame KeyTime="0" Value="1"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="PreviousButton" Storyboard.TargetProperty="IsEnabled">
<DiscreteObjectKeyFrame KeyTime="0" Value="True"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="PreviousButtonVisible">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="PreviousButton" Storyboard.TargetProperty="Opacity">
<DiscreteObjectKeyFrame KeyTime="0" Value="1"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="PreviousButton" Storyboard.TargetProperty="IsEnabled">
<DiscreteObjectKeyFrame KeyTime="0" Value="True"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="NextButtonVisible">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="NextButton" Storyboard.TargetProperty="Opacity">
<DiscreteObjectKeyFrame KeyTime="0" Value="1"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="NextButton" Storyboard.TargetProperty="IsEnabled">
<DiscreteObjectKeyFrame KeyTime="0" Value="True"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="HeaderStates">
<VisualState x:Name="HeaderDynamic"/>
<VisualState x:Name="HeaderStatic">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Header" Storyboard.TargetProperty="Visibility">
<DiscreteObjectKeyFrame KeyTime="0" Value="Collapsed"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="StaticHeader" Storyboard.TargetProperty="Visibility">
<DiscreteObjectKeyFrame KeyTime="0" Value="Visible"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<ContentControl x:Name="TitleContentControl" ContentTemplate="{TemplateBinding TitleTemplate}" Content="{TemplateBinding Title}" IsTabStop="False" Margin="{StaticResource PivotPortraitThemePadding}" Style="{StaticResource TitleContentControlStyle}" Visibility="Collapsed"/>
<Grid Grid.Row="1">
<Grid.Resources>
<ControlTemplate x:Key="NextTemplate" TargetType="Button">
<Border x:Name="Root" Background="{ThemeResource PivotNextButtonBackground}" BorderThickness="{ThemeResource PivotNavButtonBorderThemeThickness}" BorderBrush="{ThemeResource PivotNextButtonBorderBrush}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="PointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotNextButtonBackgroundPointerOver}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotNextButtonBorderBrushPointerOver}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotNextButtonForegroundPointerOver}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotNextButtonBackgroundPressed}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotNextButtonBorderBrushPressed}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotNextButtonForegroundPressed}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<FontIcon x:Name="Arrow" FontFamily="{ThemeResource SymbolThemeFontFamily}" Foreground="{ThemeResource PivotNextButtonForeground}" FontSize="12" Glyph="" HorizontalAlignment="Center" MirroredWhenRightToLeft="True" UseLayoutRounding="False" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
<ControlTemplate x:Key="PreviousTemplate" TargetType="Button">
<Border x:Name="Root" Background="{ThemeResource PivotPreviousButtonBackground}" BorderThickness="{ThemeResource PivotNavButtonBorderThemeThickness}" BorderBrush="{ThemeResource PivotPreviousButtonBorderBrush}">
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="PointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotPreviousButtonBackgroundPointerOver}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotPreviousButtonBorderBrushPointerOver}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotPreviousButtonForegroundPointerOver}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="Background">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotPreviousButtonBackgroundPressed}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Root" Storyboard.TargetProperty="BorderBrush">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotPreviousButtonBorderBrushPressed}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetName="Arrow" Storyboard.TargetProperty="Foreground">
<DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource PivotPreviousButtonForegroundPressed}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<FontIcon x:Name="Arrow" FontFamily="{ThemeResource SymbolThemeFontFamily}" Foreground="{ThemeResource PivotPreviousButtonForeground}" FontSize="12" Glyph="" HorizontalAlignment="Center" MirroredWhenRightToLeft="True" UseLayoutRounding="False" VerticalAlignment="Center"/>
</Border>
</ControlTemplate>
</Grid.Resources>
<ScrollViewer x:Name="ScrollViewer" BringIntoViewOnFocusChange="False" HorizontalScrollBarVisibility="Hidden" HorizontalSnapPointsAlignment="Center" HorizontalSnapPointsType="MandatorySingle" Margin="{TemplateBinding Padding}" Template="{StaticResource ScrollViewerScrollBarlessTemplate}" VerticalContentAlignment="Stretch" VerticalSnapPointsType="None" VerticalScrollMode="Disabled" VerticalScrollBarVisibility="Disabled" ZoomMode="Disabled">
<PivotPanel x:Name="Panel" VerticalAlignment="Stretch">
<Grid x:Name="PivotLayoutElement">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Grid.RenderTransform>
<CompositeTransform x:Name="PivotLayoutElementTranslateTransform"/>
</Grid.RenderTransform>
<ContentPresenter x:Name="LeftHeaderPresenter" ContentTemplate="{TemplateBinding LeftHeaderTemplate}" Content="{TemplateBinding LeftHeader}" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
<ContentControl x:Name="HeaderClipper" Grid.Column="1" HorizontalContentAlignment="Stretch" UseSystemFocusVisuals="True">
<ContentControl.Clip>
<RectangleGeometry x:Name="HeaderClipperGeometry"/>
</ContentControl.Clip>
<Grid Background="{ThemeResource PivotHeaderBackground}">
<Grid.RenderTransform>
<CompositeTransform x:Name="HeaderOffsetTranslateTransform"/>
</Grid.RenderTransform>
<PivotHeaderPanel x:Name="StaticHeader" Visibility="Collapsed">
<PivotHeaderPanel.RenderTransform>
<CompositeTransform x:Name="StaticHeaderTranslateTransform"/>
</PivotHeaderPanel.RenderTransform>
</PivotHeaderPanel>
<PivotHeaderPanel x:Name="Header">
<PivotHeaderPanel.RenderTransform>
<CompositeTransform x:Name="HeaderTranslateTransform"/>
</PivotHeaderPanel.RenderTransform>
</PivotHeaderPanel>
</Grid>
</ContentControl>
<Button x:Name="PreviousButton" Background="Transparent" Grid.Column="1" HorizontalAlignment="Left" Height="36" IsEnabled="False" IsTabStop="False" Margin="{ThemeResource PivotNavButtonMargin}" Opacity="0" Template="{StaticResource PreviousTemplate}" UseSystemFocusVisuals="False" VerticalAlignment="Top" Width="20"/>
<Button x:Name="NextButton" Background="Transparent" Grid.Column="1" HorizontalAlignment="Right" Height="36" IsEnabled="False" IsTabStop="False" Margin="{ThemeResource PivotNavButtonMargin}" Opacity="0" Template="{StaticResource NextTemplate}" UseSystemFocusVisuals="False" VerticalAlignment="Top" Width="20"/>
<ContentPresenter x:Name="RightHeaderPresenter" ContentTemplate="{TemplateBinding RightHeaderTemplate}" Content="{TemplateBinding RightHeader}" Grid.Column="2" HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
<ItemsPresenter x:Name="PivotItemPresenter" Grid.ColumnSpan="3" Grid.Row="1">
<ItemsPresenter.RenderTransform>
<TransformGroup>
<TranslateTransform x:Name="ItemsPresenterTranslateTransform"/>
<CompositeTransform x:Name="ItemsPresenterCompositeTransform"/>
</TransformGroup>
</ItemsPresenter.RenderTransform>
</ItemsPresenter>
</Grid>
</PivotPanel>
</ScrollViewer>
</Grid>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
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