Scrollbar.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:local="clr-namespace:Caller">
    <SolidColorBrush x:Key="StandardBorderBrush" Color="#888" />
    <SolidColorBrush x:Key="StandardBackgroundBrush" Color="#FFF" />
    <SolidColorBrush x:Key="HoverBorderBrush" Color="#DDD" />
    <SolidColorBrush x:Key="SelectedBackgroundBrush" Color="Gray" />
    <SolidColorBrush x:Key="SelectedForegroundBrush" Color="White" />
    <SolidColorBrush x:Key="DisabledForegroundBrush" Color="#888" />
    <SolidColorBrush x:Key="NormalBrush" Color="#888" />
    <SolidColorBrush x:Key="NormalBorderBrush" Color="#888" />
    <SolidColorBrush x:Key="HorizontalNormalBrush" Color="#888" />
    <SolidColorBrush x:Key="HorizontalNormalBorderBrush" Color="#888" />
    <LinearGradientBrush x:Key="ListBoxBackgroundBrush"  StartPoint="0,0" EndPoint="1,0.001">
        <GradientBrush.GradientStops>
            <GradientStopCollection>
                <GradientStop Color="White" Offset="0.0" />
                <GradientStop Color="White" Offset="0.6" />
                <GradientStop Color="#DDDDDD" Offset="1.2" />
            </GradientStopCollection>
        </GradientBrush.GradientStops>
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="StandardBrush"  StartPoint="0,0" EndPoint="0,1">
        <GradientBrush.GradientStops>
            <GradientStopCollection>
                <GradientStop Color="#FFF" Offset="0.0" />
                <GradientStop Color="#CCC" Offset="1.0" />
            </GradientStopCollection>
        </GradientBrush.GradientStops>
    </LinearGradientBrush>
    <SolidColorBrush x:Key="GlyphBrush" Color="#444" />
    <LinearGradientBrush x:Key="PressedBrush"  StartPoint="0,0" EndPoint="0,1">
        <GradientBrush.GradientStops>
            <GradientStopCollection>
                <GradientStop Color="#BBB" Offset="0.0" />
                <GradientStop Color="#EEE" Offset="0.1" />
                <GradientStop Color="#EEE" Offset="0.9" />
                <GradientStop Color="#FFF" Offset="1.0" />
            </GradientStopCollection>
        </GradientBrush.GradientStops>
    </LinearGradientBrush>
    <Style x:Key="ScrollBarPageButton" TargetType="{x:Type RepeatButton}">
        <Setter Property="SnapsToDevicePixels" Value="True" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="IsTabStop" Value="false" />
        <Setter Property="Focusable" Value="false" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RepeatButton}">
                    <Border Background="Transparent" />
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="ScrollBarThumb" TargetType="{x:Type Thumb}">
        <Setter Property="SnapsToDevicePixels" Value="True" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="IsTabStop" Value="false" />
        <Setter Property="Focusable" Value="false" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Thumb}">
                    <Border CornerRadius="2" Background="{TemplateBinding Background}"  BorderBrush="{TemplateBinding BorderBrush}"  BorderThickness="1" />
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <ControlTemplate x:Key="VerticalScrollBar"  TargetType="{x:Type ScrollBar}">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="*" />
            </Grid.RowDefinitions>
            <Track  Name="PART_Track" IsDirectionReversed="true">
                <Track.DecreaseRepeatButton>
                    <RepeatButton  Style="{StaticResource ScrollBarPageButton}"  Command="ScrollBar.PageUpCommand" />
                </Track.DecreaseRepeatButton>
                <Track.Thumb>
                    <Thumb  Style="{StaticResource ScrollBarThumb}"  Margin="1" Background="{StaticResource HorizontalNormalBrush}"  BorderBrush="{StaticResource HorizontalNormalBorderBrush}" />
                </Track.Thumb>
                <Track.IncreaseRepeatButton>
                    <RepeatButton  Style="{StaticResource ScrollBarPageButton}"  Command="ScrollBar.PageDownCommand" />
                </Track.IncreaseRepeatButton>
            </Track>
        </Grid>
    </ControlTemplate>
    <ControlTemplate x:Key="HorizontalScrollBar"  TargetType="{x:Type ScrollBar}">
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="*" />
            </Grid.ColumnDefinitions>
            <Track  Name="PART_Track"  Grid.Column="1" IsDirectionReversed="False">
                <Track.DecreaseRepeatButton>
                    <RepeatButton  Style="{StaticResource ScrollBarPageButton}"  Command="ScrollBar.PageLeftCommand" />
                </Track.DecreaseRepeatButton>
                <Track.Thumb>
                    <Thumb  Style="{StaticResource ScrollBarThumb}"  Margin="1" Background="{StaticResource NormalBrush}"  BorderBrush="{StaticResource NormalBorderBrush}" />
                </Track.Thumb>
                <Track.IncreaseRepeatButton>
                    <RepeatButton  Style="{StaticResource ScrollBarPageButton}"  Command="ScrollBar.PageRightCommand" />
                </Track.IncreaseRepeatButton>
            </Track>
        </Grid>
    </ControlTemplate>
    <Style x:Key="{x:Type ScrollBar}" TargetType="{x:Type ScrollBar}">
        <Setter Property="SnapsToDevicePixels" Value="True" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Style.Triggers>
            <Trigger Property="Orientation" Value="Horizontal">
                <Setter Property="Width" Value="Auto" />
                <Setter Property="Height" Value="10" />
                <Setter Property="Template"  Value="{StaticResource HorizontalScrollBar}" />
            </Trigger>
            <Trigger Property="Orientation" Value="Vertical">
                <Setter Property="Width" Value="10" />
                <Setter Property="Height" Value="Auto" />
                <Setter Property="Template"  Value="{StaticResource VerticalScrollBar}" />
            </Trigger>
        </Style.Triggers>
    </Style>
    <Style x:Key="{x:Type ScrollViewer}" TargetType="{x:Type ScrollViewer}">
        <Setter Property="OverridesDefaultStyle" Value="True" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition />
                            <ColumnDefinition Width="Auto" />
                        </Grid.ColumnDefinitions>
                        <Grid.RowDefinitions>
                            <RowDefinition />
                            <RowDefinition Height="Auto" />
                        </Grid.RowDefinitions>
                        <ScrollContentPresenter Grid.ColumnSpan="2" Grid.RowSpan="2" />
                        <ScrollBar Grid.Column="1" Name="PART_VerticalScrollBar"  Value="{TemplateBinding VerticalOffset}"  Maximum="{TemplateBinding ScrollableHeight}"  ViewportSize="{TemplateBinding ViewportHeight}"  Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" />
                        <ScrollBar Grid.Row="1" Name="PART_HorizontalScrollBar"  Orientation="Horizontal"  Value="{TemplateBinding HorizontalOffset}"  Maximum="{TemplateBinding ScrollableWidth}"  ViewportSize="{TemplateBinding ViewportWidth}"  Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" />
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</ResourceDictionary>