<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <!--  ScrollViewer 滚动条  -->
    <Style x:Key="ScrollBarThumb" TargetType="{x:Type Thumb}">
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="IsTabStop" Value="false" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Thumb}">
                    <Grid>
                        <!--  滚动条颜色  -->
                        <Border Background="#646465" CornerRadius="3" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="HorizontalScrollBarPageButton" TargetType="{x:Type RepeatButton}">
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="Focusable" Value="false" />
        <Setter Property="IsTabStop" Value="false" />
        <Setter Property="Opacity" Value="0.2" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RepeatButton}">
                    <Rectangle
                        Width="{TemplateBinding Width}"
                        Height="{TemplateBinding Height}"
                        Fill="{TemplateBinding Background}" />
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="VerticalScrollBarPageButton" TargetType="{x:Type RepeatButton}">
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="Focusable" Value="false" />
        <Setter Property="IsTabStop" Value="false" />
        <Setter Property="Opacity" Value="0.2" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RepeatButton}">
                    <Rectangle
                        Width="{TemplateBinding Width}"
                        Height="{TemplateBinding Height}"
                        Fill="{TemplateBinding Background}" />
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <!--  滚动条上下按钮  -->
    <Style x:Key="VerticalScrollBarPageButton2" TargetType="{x:Type RepeatButton}">
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="Focusable" Value="false" />
        <Setter Property="IsTabStop" Value="false" />
        <Setter Property="Opacity" Value="0" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RepeatButton}">
                    <Rectangle
                        Width="0"
                        Height="0"
                        Fill="#90000000" />
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="for_scrollbar" TargetType="{x:Type ScrollBar}">
        <Setter Property="Stylus.IsPressAndHoldEnabled" Value="false" />
        <Setter Property="Stylus.IsFlicksEnabled" Value="false" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="Margin" Value="0,1,1,6" />
        <Setter Property="Width" Value="10" />
        <Setter Property="MinWidth" Value="5" />
        <Setter Property="Opacity" Value="0.2" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollBar}">
                    <Grid x:Name="Bg" SnapsToDevicePixels="true">
                        <Grid.RowDefinitions>
                            <RowDefinition Height="auto" />
                            <RowDefinition Height="*" />
                            <RowDefinition Height="auto" />
                        </Grid.RowDefinitions>
                        <RepeatButton
                            Grid.Row="0"
                            Command="{x:Static ScrollBar.PageUpCommand}"
                            Style="{StaticResource VerticalScrollBarPageButton2}" />
                        <Track
                            x:Name="PART_Track"
                            Grid.Row="1"
                            IsDirectionReversed="true"
                            IsEnabled="{TemplateBinding IsMouseOver}">
                            <Track.DecreaseRepeatButton>
                                <RepeatButton Command="{x:Static ScrollBar.PageUpCommand}" Style="{StaticResource VerticalScrollBarPageButton}" />
                            </Track.DecreaseRepeatButton>
                            <Track.IncreaseRepeatButton>
                                <RepeatButton Command="{x:Static ScrollBar.PageDownCommand}" Style="{StaticResource VerticalScrollBarPageButton}" />
                            </Track.IncreaseRepeatButton>
                            <Track.Thumb>
                                <Thumb Style="{StaticResource ScrollBarThumb}" />
                            </Track.Thumb>
                        </Track>
                        <RepeatButton
                            Grid.Row="2"
                            Command="{x:Static ScrollBar.PageDownCommand}"
                            Style="{StaticResource VerticalScrollBarPageButton2}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <Trigger Property="Orientation" Value="Horizontal">
                <Setter Property="Background" Value="Transparent" />
                <Setter Property="Margin" Value="1,0,6,1" />
                <Setter Property="Height" Value="5" />
                <Setter Property="MinHeight" Value="5" />
                <Setter Property="Width" Value="Auto" />
                <Setter Property="Opacity" Value="0.2" />
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type ScrollBar}">
                            <Grid x:Name="Bg" SnapsToDevicePixels="true">
                                <Track x:Name="PART_Track" IsEnabled="{TemplateBinding IsMouseOver}">
                                    <Track.DecreaseRepeatButton>
                                        <RepeatButton Command="{x:Static ScrollBar.PageLeftCommand}" Style="{StaticResource HorizontalScrollBarPageButton}" />
                                    </Track.DecreaseRepeatButton>
                                    <Track.IncreaseRepeatButton>
                                        <RepeatButton Command="{x:Static ScrollBar.PageRightCommand}" Style="{StaticResource HorizontalScrollBarPageButton}" />
                                    </Track.IncreaseRepeatButton>
                                    <Track.Thumb>
                                        <Thumb Style="{StaticResource ScrollBarThumb}" />
                                    </Track.Thumb>
                                </Track>
                            </Grid>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Trigger>
        </Style.Triggers>
    </Style>
    <Style x:Key="for_scrollviewer" TargetType="{x:Type ScrollViewer}">
        <Setter Property="BorderBrush" Value="LightGray" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Border
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}"
                        SnapsToDevicePixels="True">
                        <Grid Background="{TemplateBinding Background}">
                            <ScrollContentPresenter
                                MinHeight="{TemplateBinding Height}"
                                Margin="{TemplateBinding Padding}"
                                VerticalAlignment="Center"
                                ContentTemplate="{TemplateBinding ContentTemplate}"
                                Cursor="{TemplateBinding Cursor}" />
                            <ScrollBar
                                x:Name="PART_VerticalScrollBar"
                                HorizontalAlignment="Right"
                                Maximum="{TemplateBinding ScrollableHeight}"
                                Orientation="Vertical"
                                Style="{StaticResource for_scrollbar}"
                                ViewportSize="{TemplateBinding ViewportHeight}"
                                Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                                Value="{TemplateBinding VerticalOffset}" />
                            <ScrollBar
                                x:Name="PART_HorizontalScrollBar"
                                VerticalAlignment="Bottom"
                                Maximum="{TemplateBinding ScrollableWidth}"
                                Orientation="Horizontal"
                                Style="{StaticResource for_scrollbar}"
                                ViewportSize="{TemplateBinding ViewportWidth}"
                                Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}"
                                Value="{TemplateBinding HorizontalOffset}" />
                        </Grid>
                    </Border>
                    <ControlTemplate.Triggers>
                        <EventTrigger RoutedEvent="ScrollChanged">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_VerticalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.8"
                                        Duration="0:0:1" />
                                    <DoubleAnimation
                                        BeginTime="0:0:1"
                                        Storyboard.TargetName="PART_VerticalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.2"
                                        Duration="0:0:1" />
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.8"
                                        Duration="0:0:1" />
                                    <DoubleAnimation
                                        BeginTime="0:0:1"
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.2"
                                        Duration="0:0:1" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseEnter" SourceName="PART_VerticalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_VerticalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.8"
                                        Duration="0:0:0.7" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseLeave" SourceName="PART_VerticalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_VerticalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.2"
                                        Duration="0:0:0.7" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseEnter" SourceName="PART_HorizontalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.8"
                                        Duration="0:0:0.7" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseLeave" SourceName="PART_HorizontalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.2"
                                        Duration="0:0:0.7" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>