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WPF自定义样式三(TabControl 下TabItem过多进行滚动条自定义样式)

攻城狮Chova 2022-03-10 阅读 376
     **WPF TabControl 下TabItem过多会进行自动换行,多行显示,此时不想进行多行显示,可以自己写一个TabControl 的自定义样式,自己写了一个TabControl 自定义的滚动条样式。**
<Window.Resources>
        <Style x:Key="TabControlStyle" TargetType="{x:Type TabControl}">
            <Setter Property="Padding" Value="2"/>
            <Setter Property="HorizontalContentAlignment" Value="Center"/>
            <Setter Property="VerticalContentAlignment" Value="Center"/>
            <Setter Property="Background" Value="White"/>
            <Setter Property="BorderBrush" Value="#FFACACAC"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type TabControl}">
                        <Grid x:Name="templateRoot" ClipToBounds="True" SnapsToDevicePixels="True" KeyboardNavigation.TabNavigation="Local">
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition x:Name="ColumnDefinition0"/>
                                <ColumnDefinition x:Name="ColumnDefinition1" Width="0"/>
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition x:Name="RowDefinition0" Height="Auto"/>
                                <RowDefinition x:Name="RowDefinition1" Height="*"/>
                            </Grid.RowDefinitions>
                            <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
                                <TabPanel x:Name="HeaderPanel" Background="Transparent" Grid.Column="0" IsItemsHost="True" Margin="0" Grid.Row="0" KeyboardNavigation.TabIndex="1" Panel.ZIndex="1"/>
                            </ScrollViewer>
                            <Line X1="0" X2="{Binding ActualWidth, RelativeSource={RelativeSource Self}}" Stroke="White" StrokeThickness="0.1" VerticalAlignment="Bottom" Margin="0 0 0 1" SnapsToDevicePixels="True"/>
                            <Border x:Name="ContentPanel" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.Column="0" KeyboardNavigation.DirectionalNavigation="Contained" Grid.Row="1" KeyboardNavigation.TabIndex="2" KeyboardNavigation.TabNavigation="Local">
                                <ContentPresenter x:Name="PART_SelectedContentHost" ContentTemplate="{TemplateBinding SelectedContentTemplate}" Content="{TemplateBinding SelectedContent}" ContentStringFormat="{TemplateBinding SelectedContentStringFormat}" ContentSource="SelectedContent" Margin="0" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
                            </Border>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="TabStripPlacement" Value="Bottom">
                                <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="1"/>
                                <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
                                <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
                                <Setter Property="Height" TargetName="RowDefinition1" Value="Auto"/>
                            </Trigger>
                            <Trigger Property="TabStripPlacement" Value="Left">
                                <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="0"/>
                                <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
                                <Setter Property="Grid.Column" TargetName="HeaderPanel" Value="0"/>
                                <Setter Property="Grid.Column" TargetName="ContentPanel" Value="1"/>
                                <Setter Property="Width" TargetName="ColumnDefinition0" Value="Auto"/>
                                <Setter Property="Width" TargetName="ColumnDefinition1" Value="*"/>
                                <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
                                <Setter Property="Height" TargetName="RowDefinition1" Value="0"/>
                            </Trigger>
                            <Trigger Property="TabStripPlacement" Value="Right">
                                <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="0"/>
                                <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
                                <Setter Property="Grid.Column" TargetName="HeaderPanel" Value="1"/>
                                <Setter Property="Grid.Column" TargetName="ContentPanel" Value="0"/>
                                <Setter Property="Width" TargetName="ColumnDefinition0" Value="*"/>
                                <Setter Property="Width" TargetName="ColumnDefinition1" Value="Auto"/>
                                <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
                                <Setter Property="Height" TargetName="RowDefinition1" Value="0"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="False">
                                <Setter Property="TextElement.Foreground" TargetName="templateRoot" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Window.Resources>
    <TabControl x:Name="ImageTab"  TabStripPlacement="Top" Style="{StaticResource TabControlStyle}">
        <TabItem Header="Test1"/>
        <TabItem Header="Test2"/>
        <TabItem Header="Test3"/>
        <TabItem Header="Test4"/>
        <TabItem Header="Test5"/>
        <TabItem Header="Test6"/>
        <TabItem Header="Test7"/>
        <TabItem Header="Test8"/>
        <TabItem Header="Test9"/>
        <TabItem Header="Test10"/>
        <TabItem Header="Test11"/>
        <TabItem Header="Test12"/>
        <TabItem Header="Test13"/>
    </TabControl>

运行截图如图所示

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