So I have this scrollbar style to make the scrollbar look a bit better than the default one.
And when my ListView uses it, it looks great, until both scrollbars become visible, because then it starts showing a white rectangle at the bottom right where the scrollbars meet.
How do I properly get rid of it? Or at least change color.
ListView.xaml
<ListView Grid.Column="1"
ItemsSource="{Binding Properties}"
Background="{StaticResource SecondaryDark}"
BorderThickness="0"
HorizontalContentAlignment="Stretch"
ScrollViewer.CanContentScroll="False">
<ListView.ItemTemplate>
<DataTemplate>
<Grid Margin="5">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="200" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<TextBlock Grid.Column="0" Text="{Binding Name}"
VerticalAlignment="Center"
Foreground="{StaticResource OffWhite}"
FontFamily="/CacheTool;component/Fonts/#Fira Code"
FontWeight="SemiBold" />
<ContentControl Grid.Column="1"
Content="{Binding}"
ContentTemplateSelector="{StaticResource PropertyControlTemplateSelector}" />
</Grid>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
Style.xaml
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:system="clr-namespace:System;assembly=System.Runtime">
<system:Double x:Key="ScrollBarWidth">16</system:Double>
<system:Double x:Key="ScrollBarArrowHeight">4</system:Double>
<system:Double x:Key="ScrollBarArrowWidth">8</system:Double>
<SolidColorBrush x:Key="ScrollBarButtonBackgroundBrush" Color="#303030" />
<SolidColorBrush x:Key="ScrollBarButtonHighlightBackgroundBrush" Color="#404040" />
<SolidColorBrush x:Key="ScrollBarButtonArrowForegroundBrush" Color="#555555" />
<SolidColorBrush x:Key="ScrollBarTrackBrush" Color="#252525" />
<Style TargetType="{x:Type ScrollBar}">
<Style.Triggers>
<Trigger Property="Orientation" Value="Vertical">
<Setter Property="Width" Value="{StaticResource ScrollBarWidth}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ScrollBar}">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" />
<RowDefinition Height="*" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<Button Grid.Row="0"
Command="ScrollBar.LineUpCommand"
Height="{StaticResource ScrollBarWidth}">
<Button.Template>
<ControlTemplate TargetType="Button">
<Grid>
<Rectangle x:Name="ButtonRectangle"
Fill="{StaticResource ScrollBarButtonBackgroundBrush}" />
<Path HorizontalAlignment="Center"
VerticalAlignment="Center"
Data="M 0 10 L 10 10 L 5 0 Z"
Fill="{StaticResource ScrollBarButtonArrowForegroundBrush}"
Stretch="Fill"
Height="{StaticResource ScrollBarArrowHeight}"
Width="{StaticResource ScrollBarArrowWidth}" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="ButtonRectangle" Property="Fill"
Value="{StaticResource ScrollBarButtonHighlightBackgroundBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Button.Template>
</Button>
<Track Name="PART_Track" IsDirectionReversed="True" VerticalAlignment="Stretch"
Grid.Row="1">
<Track.DecreaseRepeatButton>
<RepeatButton Command="ScrollBar.PageUpCommand"
Background="{StaticResource ScrollBarTrackBrush}">
<RepeatButton.Template>
<ControlTemplate TargetType="RepeatButton">
<Rectangle Fill="{TemplateBinding Background}"
Height="{TemplateBinding ActualHeight}"
Width="{TemplateBinding ActualWidth}" />
</ControlTemplate>
</RepeatButton.Template>
</RepeatButton>
</Track.DecreaseRepeatButton>
<Track.Thumb>
<Thumb>
<Thumb.Template>
<ControlTemplate TargetType="Thumb">
<Rectangle x:Name="ThumbRectangle"
Fill="{StaticResource ScrollBarButtonBackgroundBrush}" />
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="ThumbRectangle" Property="Fill"
Value="{StaticResource ScrollBarButtonHighlightBackgroundBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Thumb.Template>
</Thumb>
</Track.Thumb>
<Track.IncreaseRepeatButton>
<RepeatButton Command="ScrollBar.PageDownCommand"
Background="{StaticResource ScrollBarTrackBrush}">
<RepeatButton.Template>
<ControlTemplate TargetType="RepeatButton">
<Rectangle Fill="{TemplateBinding Background}"
Height="{TemplateBinding ActualHeight}"
Width="{TemplateBinding ActualWidth}" />
</ControlTemplate>
</RepeatButton.Template>
</RepeatButton>
</Track.IncreaseRepeatButton>
</Track>
<Button Grid.Row="2"
Command="ScrollBar.LineDownCommand"
Height="{StaticResource ScrollBarWidth}">
<Button.Template>
<ControlTemplate TargetType="Button">
<Grid>
<Rectangle x:Name="ButtonRectangle"
Fill="{StaticResource ScrollBarButtonBackgroundBrush}" />
<Path HorizontalAlignment="Center"
VerticalAlignment="Center"
Data="M 0 0 L 10 0 L 5 10 Z"
Fill="{StaticResource ScrollBarButtonArrowForegroundBrush}"
Stretch="Fill"
Height="{StaticResource ScrollBarArrowHeight}"
Width="{StaticResource ScrollBarArrowWidth}" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="ButtonRectangle" Property="Fill"
Value="{StaticResource ScrollBarButtonHighlightBackgroundBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Button.Template>
</Button>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="Orientation" Value="Horizontal">
<Setter Property="Height" Value="{StaticResource ScrollBarWidth}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type ScrollBar}">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto" />
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Button Grid.Column="0"
Command="ScrollBar.LineLeftCommand"
Width="{StaticResource ScrollBarWidth}">
<Button.Template>
<ControlTemplate TargetType="Button">
<Grid>
<Rectangle x:Name="ButtonRectangle"
Fill="{StaticResource ScrollBarButtonBackgroundBrush}" />
<Path HorizontalAlignment="Center"
VerticalAlignment="Center"
Data="M 0 5 L 10 0 L 10 10 Z"
Fill="{StaticResource ScrollBarButtonArrowForegroundBrush}"
Stretch="Fill"
Height="{StaticResource ScrollBarArrowWidth}"
Width="{StaticResource ScrollBarArrowHeight}" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="ButtonRectangle" Property="Fill"
Value="{StaticResource ScrollBarButtonHighlightBackgroundBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Button.Template>
</Button>
<Track Name="PART_Track" IsDirectionReversed="False" HorizontalAlignment="Stretch"
Grid.Column="1">
<Track.DecreaseRepeatButton>
<RepeatButton Command="ScrollBar.PageLeftCommand"
Background="{StaticResource ScrollBarTrackBrush}">
<RepeatButton.Template>
<ControlTemplate TargetType="RepeatButton">
<Rectangle Fill="{TemplateBinding Background}"
Height="{TemplateBinding ActualHeight}"
Width="{TemplateBinding ActualWidth}" />
</ControlTemplate>
</RepeatButton.Template>
</RepeatButton>
</Track.DecreaseRepeatButton>
<Track.Thumb>
<Thumb>
<Thumb.Template>
<ControlTemplate TargetType="Thumb">
<Rectangle x:Name="ThumbRectangle"
Fill="{StaticResource ScrollBarButtonBackgroundBrush}" />
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="ThumbRectangle" Property="Fill"
Value="{StaticResource ScrollBarButtonHighlightBackgroundBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Thumb.Template>
</Thumb>
</Track.Thumb>
<Track.IncreaseRepeatButton>
<RepeatButton Command="ScrollBar.PageRightCommand"
Background="{StaticResource ScrollBarTrackBrush}">
<RepeatButton.Template>
<ControlTemplate TargetType="RepeatButton">
<Rectangle Fill="{TemplateBinding Background}"
Height="{TemplateBinding ActualHeight}"
Width="{TemplateBinding ActualWidth}" />
</ControlTemplate>
</RepeatButton.Template>
</RepeatButton>
</Track.IncreaseRepeatButton>
</Track>
<Button Grid.Column="2"
Command="ScrollBar.LineRightCommand"
Width="{StaticResource ScrollBarWidth}">
<Button.Template>
<ControlTemplate TargetType="Button">
<Grid>
<Rectangle x:Name="ButtonRectangle"
Fill="{StaticResource ScrollBarButtonBackgroundBrush}" />
<Path HorizontalAlignment="Center"
VerticalAlignment="Center"
Data="M 10 5 L 0 0 L 0 10 Z"
Fill="{StaticResource ScrollBarButtonArrowForegroundBrush}"
Stretch="Fill"
Height="{StaticResource ScrollBarArrowWidth}"
Width="{StaticResource ScrollBarArrowHeight}" />
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="ButtonRectangle" Property="Fill"
Value="{StaticResource ScrollBarButtonHighlightBackgroundBrush}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Button.Template>
</Button>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
</ResourceDictionary>
