better-genshin-impact/Build/MicaSetup/Design/Controls/ScrollViewer/ScrollViewer.xaml

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:design="clr-namespace:MicaSetup.Design"
    xmlns:local="clr-namespace:MicaSetup.Design.Controls">
    <ResourceDictionary.MergedDictionaries>
        <design:ResourceResourceDictionary />
    </ResourceDictionary.MergedDictionaries>

    <Style x:Key="DefaultScrollBarStyle" TargetType="{x:Type ScrollBar}">
        <Setter Property="Stylus.IsPressAndHoldEnabled" Value="false" />
        <Setter Property="Stylus.IsFlicksEnabled" Value="false" />
        <Setter Property="Background" Value="Transparent" />
        <Setter Property="MinWidth" Value="0" />
        <Setter Property="Height" Value="Auto" />
        <Setter Property="Cursor" Value="Arrow" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollBar}">
                    <Border Background="{Binding Path=(local:ScrollViewerHelper.TrackBrush), RelativeSource={RelativeSource AncestorType=ScrollViewer}}" CornerRadius="{Binding Path=(local:ScrollViewerHelper.ScrollBarCornerRadius), RelativeSource={RelativeSource AncestorType=ScrollViewer}}">
                        <Track
                            x:Name="PART_Track"
                            IsDirectionReversed="true"
                            IsEnabled="{TemplateBinding IsMouseOver}">
                            <Track.Thumb>
                                <Thumb>
                                    <Thumb.Template>
                                        <ControlTemplate TargetType="Thumb">
                                            <Border Background="{Binding Path=(local:ScrollViewerHelper.ThumbBrush), RelativeSource={RelativeSource AncestorType=ScrollViewer}}" CornerRadius="{Binding Path=(local:ScrollViewerHelper.ScrollBarCornerRadius), RelativeSource={RelativeSource AncestorType=ScrollViewer}}" />
                                        </ControlTemplate>
                                    </Thumb.Template>
                                </Thumb>
                            </Track.Thumb>
                        </Track>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <Trigger Property="Orientation" Value="Horizontal">
                <Setter Property="Background" Value="Transparent" />
                <Setter Property="Margin" Value="1,0,1,1" />
                <Setter Property="MinHeight" Value="0" />
                <Setter Property="Width" Value="Auto" />
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type ScrollBar}">
                            <Border Background="{Binding Path=(local:ScrollViewerHelper.TrackBrush), RelativeSource={RelativeSource AncestorType=ScrollViewer}}" CornerRadius="{Binding Path=(local:ScrollViewerHelper.ScrollBarCornerRadius), RelativeSource={RelativeSource AncestorType=ScrollViewer}}">
                                <Track x:Name="PART_Track" IsEnabled="{TemplateBinding IsMouseOver}">
                                    <Track.Thumb>
                                        <Thumb>
                                            <Thumb.Template>
                                                <ControlTemplate TargetType="Thumb">
                                                    <Border Background="{Binding Path=(local:ScrollViewerHelper.ThumbBrush), RelativeSource={RelativeSource AncestorType=ScrollViewer}}" CornerRadius="{Binding Path=(local:ScrollViewerHelper.ScrollBarCornerRadius), RelativeSource={RelativeSource AncestorType=ScrollViewer}}" />
                                                </ControlTemplate>
                                            </Thumb.Template>
                                        </Thumb>
                                    </Track.Thumb>
                                </Track>
                            </Border>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Trigger>
        </Style.Triggers>
    </Style>

    <Style x:Key="DefaultScrollViewerStyle" TargetType="{x:Type ScrollViewer}">
        <Setter Property="BorderBrush" Value="Transparent" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="VerticalScrollBarVisibility" Value="Auto" />
        <Setter Property="VerticalContentAlignment" Value="Stretch" />
        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
        <Setter Property="local:ScrollViewerHelper.TrackBrush" Value="Transparent" />
        <Setter Property="local:ScrollViewerHelper.ThumbBrush" Value="#CCCCCC" />
        <Setter Property="local:ScrollViewerHelper.ScrollBarCornerRadius" Value="4" />
        <Setter Property="local:ScrollViewerHelper.ScrollBarThickness" Value="8" />
        <Setter Property="local:ScrollViewerHelper.ScrollViewerHook" Value="True" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Border
                        Background="{TemplateBinding Background}"
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}">
                        <Grid>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition />
                                <ColumnDefinition Width="Auto" />
                            </Grid.ColumnDefinitions>
                            <Grid.RowDefinitions>
                                <RowDefinition />
                                <RowDefinition Height="Auto" />
                            </Grid.RowDefinitions>
                            <ScrollContentPresenter
                                Margin="{TemplateBinding Padding}"
                                CanContentScroll="{TemplateBinding CanContentScroll}"
                                VirtualizingStackPanel.IsVirtualizing="{Binding Path=(VirtualizingStackPanel.IsVirtualizing), RelativeSource={RelativeSource AncestorType=ScrollViewer}}"
                                VirtualizingStackPanel.VirtualizationMode="{Binding Path=(VirtualizingStackPanel.VirtualizationMode), RelativeSource={RelativeSource AncestorType=ScrollViewer}}" />
                            <ScrollBar
                                x:Name="PART_VerticalScrollBar"
                                Grid.Column="1"
                                Width="{Binding Path=(local:ScrollViewerHelper.ScrollBarThickness), RelativeSource={RelativeSource AncestorType=ScrollViewer}}"
                                Maximum="{TemplateBinding ScrollableHeight}"
                                Opacity="0.5"
                                ViewportSize="{TemplateBinding ViewportHeight}"
                                Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                                Value="{TemplateBinding VerticalOffset}" />
                            <ScrollBar
                                x:Name="PART_HorizontalScrollBar"
                                Grid.Row="1"
                                Height="{Binding Path=(local:ScrollViewerHelper.ScrollBarThickness), RelativeSource={RelativeSource AncestorType=ScrollViewer}}"
                                Maximum="{TemplateBinding ScrollableWidth}"
                                Opacity="0.5"
                                Orientation="Horizontal"
                                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="0.9"
                                        Duration="0:0:0.15" />
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.9"
                                        Duration="0:0:0.15" />
                                    <DoubleAnimation
                                        BeginTime="0:0:1.5"
                                        Storyboard.TargetName="PART_VerticalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.5"
                                        Duration="0:0:0.15" />
                                    <DoubleAnimation
                                        BeginTime="0:0:1.5"
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.5"
                                        Duration="0:0:0.15" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseEnter" SourceName="PART_VerticalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_VerticalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.9"
                                        Duration="0:0:0.15" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseLeave" SourceName="PART_VerticalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_VerticalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.5"
                                        Duration="0:0:0.15" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseEnter" SourceName="PART_HorizontalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.9"
                                        Duration="0:0:0.15" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                        <EventTrigger RoutedEvent="MouseLeave" SourceName="PART_HorizontalScrollBar">
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation
                                        Storyboard.TargetName="PART_HorizontalScrollBar"
                                        Storyboard.TargetProperty="Opacity"
                                        To="0.5"
                                        Duration="0:0:0.15" />
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style BasedOn="{StaticResource DefaultScrollBarStyle}" TargetType="{x:Type ScrollBar}" />

    <Style BasedOn="{StaticResource DefaultScrollViewerStyle}" TargetType="{x:Type ScrollViewer}" />

    <Style BasedOn="{StaticResource DefaultScrollViewerStyle}" TargetType="{x:Type local:SmoothScrollViewer}" />

</ResourceDictionary>