SliderStyle.xaml

<Style x:Key="SliderStyle1" TargetType="Slider">
            <Setter Property="Background" Value="{ThemeResource SliderTrackFill}"/>
            <Setter Property="BorderThickness" Value="{ThemeResource SliderBorderThemeThickness}"/>
            <Setter Property="Foreground" Value="{ThemeResource SliderTrackValueFill}"/>
            <Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}"/>
            <Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}"/>
            <Setter Property="ManipulationMode" Value="None"/>
            <Setter Property="UseSystemFocusVisuals" Value="True"/>
            <Setter Property="FocusVisualMargin" Value="-7,0,-7,0"/>
            <Setter Property="IsFocusEngagementEnabled" Value="True"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Slider">
                        <Grid Margin="{TemplateBinding Padding}">
                            <Grid.Resources>
                                <Style x:Key="SliderThumbStyle" TargetType="Thumb">
                                    <Setter Property="BorderThickness" Value="0"/>
                                    <Setter Property="Background" Value="{ThemeResource SliderThumbBackground}"/>
                                    <Setter Property="Template">
                                        <Setter.Value>
                                            <ControlTemplate TargetType="Thumb">
                                                <Border Background="{TemplateBinding Background}" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="4"/>
                                            </ControlTemplate>
                                        </Setter.Value>
                                    </Setter>
                                </Style>
                            </Grid.Resources>
                            <Grid.RowDefinitions>
                                <RowDefinition Height="Auto"/>
                                <RowDefinition Height="*"/>
                            </Grid.RowDefinitions>
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="CommonStates">
                                    <VisualState x:Name="Normal"/>
                                    <VisualState x:Name="Pressed">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalTrackRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackFillPressed}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalTrackRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackFillPressed}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalThumb" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderThumbBackgroundPressed}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalThumb" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderThumbBackgroundPressed}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="SliderContainer" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderContainerBackgroundPressed}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalDecreaseRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackValueFillPressed}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalDecreaseRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackValueFillPressed}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="Disabled">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HeaderContentPresenter" Storyboard.TargetProperty="Foreground">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderHeaderForegroundDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalDecreaseRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackValueFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalTrackRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalDecreaseRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackValueFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalTrackRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalThumb" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderThumbBackgroundDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalThumb" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderThumbBackgroundDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="TopTickBar" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTickBarFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="BottomTickBar" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTickBarFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="LeftTickBar" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTickBarFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="RightTickBar" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTickBarFillDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="SliderContainer" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderContainerBackgroundDisabled}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="PointerOver">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalTrackRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackFillPointerOver}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalTrackRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackFillPointerOver}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalThumb" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderThumbBackgroundPointerOver}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalThumb" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderThumbBackgroundPointerOver}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="SliderContainer" Storyboard.TargetProperty="Background">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderContainerBackgroundPointerOver}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalDecreaseRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackValueFillPointerOver}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalDecreaseRect" Storyboard.TargetProperty="Fill">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SliderTrackValueFillPointerOver}"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                                <VisualStateGroup x:Name="FocusEngagementStates">
                                    <VisualState x:Name="FocusDisengaged"/>
                                    <VisualState x:Name="FocusEngagedHorizontal">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="SliderContainer" Storyboard.TargetProperty="(Control.IsTemplateFocusTarget)">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="False"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="HorizontalThumb" Storyboard.TargetProperty="(Control.IsTemplateFocusTarget)">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="True"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                    <VisualState x:Name="FocusEngagedVertical">
                                        <Storyboard>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="SliderContainer" Storyboard.TargetProperty="(Control.IsTemplateFocusTarget)">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="False"/>
                                            </ObjectAnimationUsingKeyFrames>
                                            <ObjectAnimationUsingKeyFrames Storyboard.TargetName="VerticalThumb" Storyboard.TargetProperty="(Control.IsTemplateFocusTarget)">
                                                <DiscreteObjectKeyFrame KeyTime="0" Value="True"/>
                                            </ObjectAnimationUsingKeyFrames>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                            </VisualStateManager.VisualStateGroups>
                            <ContentPresenter x:Name="HeaderContentPresenter" ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" FontWeight="{ThemeResource SliderHeaderThemeFontWeight}" Foreground="{ThemeResource SliderHeaderForeground}" Margin="{ThemeResource SliderHeaderThemeMargin}" TextWrapping="Wrap" Visibility="Collapsed" x:DeferLoadStrategy="Lazy"/>
                            <Grid x:Name="SliderContainer" Background="{ThemeResource SliderContainerBackground}" Control.IsTemplateFocusTarget="True" Grid.Row="1">
                                <Grid x:Name="HorizontalTemplate" MinHeight="44">
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="Auto"/>
                                        <ColumnDefinition Width="Auto"/>
                                        <ColumnDefinition Width="*"/>
                                    </Grid.ColumnDefinitions>
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="18"/>
                                        <RowDefinition Height="Auto"/>
                                        <RowDefinition Height="18"/>
                                    </Grid.RowDefinitions>
                                    <Rectangle x:Name="HorizontalTrackRect" Grid.ColumnSpan="3" Fill="{TemplateBinding Background}" Height="{ThemeResource SliderTrackThemeHeight}" Grid.Row="1"/>
                                    <Rectangle x:Name="HorizontalDecreaseRect" Fill="{TemplateBinding Foreground}" Grid.Row="1"/>
                                    <TickBar x:Name="TopTickBar" Grid.ColumnSpan="3" Fill="{ThemeResource SliderTickBarFill}" Height="{ThemeResource SliderOutsideTickBarThemeHeight}" Margin="0,0,0,4" VerticalAlignment="Bottom" Visibility="Collapsed"/>
                                    <TickBar x:Name="HorizontalInlineTickBar" Grid.ColumnSpan="3" Fill="{ThemeResource SliderInlineTickBarFill}" Height="{ThemeResource SliderTrackThemeHeight}" Grid.Row="1" Visibility="Collapsed"/>
                                    <TickBar x:Name="BottomTickBar" Grid.ColumnSpan="3" Fill="{ThemeResource SliderTickBarFill}" Height="{ThemeResource SliderOutsideTickBarThemeHeight}" Margin="0,4,0,0" Grid.Row="2" VerticalAlignment="Top" Visibility="Collapsed"/>
                                    <Thumb x:Name="HorizontalThumb" AutomationProperties.AccessibilityView="Raw" Grid.Column="1" DataContext="{TemplateBinding Value}" FocusVisualMargin="-14,-6,-14,-6" Height="24" Grid.RowSpan="3" Grid.Row="0" Style="{StaticResource SliderThumbStyle}" Width="8"/>
                                </Grid>
                                <Grid x:Name="VerticalTemplate" MinWidth="44" Visibility="Collapsed">
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="18"/>
                                        <ColumnDefinition Width="Auto"/>
                                        <ColumnDefinition Width="18"/>
                                    </Grid.ColumnDefinitions>
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="*"/>
                                        <RowDefinition Height="Auto"/>
                                        <RowDefinition Height="Auto"/>
                                    </Grid.RowDefinitions>
                                    <Rectangle x:Name="VerticalTrackRect" Grid.Column="1" Fill="{TemplateBinding Background}" Grid.RowSpan="3" Width="{ThemeResource SliderTrackThemeHeight}"/>
                                    <Rectangle x:Name="VerticalDecreaseRect" Grid.Column="1" Fill="{TemplateBinding Foreground}" Grid.Row="2"/>
                                    <TickBar x:Name="LeftTickBar" Fill="{ThemeResource SliderTickBarFill}" HorizontalAlignment="Right" Margin="0,0,4,0" Grid.RowSpan="3" Visibility="Collapsed" Width="{ThemeResource SliderOutsideTickBarThemeHeight}"/>
                                    <TickBar x:Name="VerticalInlineTickBar" Grid.Column="1" Fill="{ThemeResource SliderInlineTickBarFill}" Grid.RowSpan="3" Visibility="Collapsed" Width="{ThemeResource SliderTrackThemeHeight}"/>
                                    <TickBar x:Name="RightTickBar" Grid.Column="2" Fill="{ThemeResource SliderTickBarFill}" HorizontalAlignment="Left" Margin="4,0,0,0" Grid.RowSpan="3" Visibility="Collapsed" Width="{ThemeResource SliderOutsideTickBarThemeHeight}"/>
                                    <Thumb x:Name="VerticalThumb" AutomationProperties.AccessibilityView="Raw" Grid.ColumnSpan="3" Grid.Column="0" DataContext="{TemplateBinding Value}" FocusVisualMargin="-6,-14,-6,-14" Height="8" Grid.Row="1" Style="{StaticResource SliderThumbStyle}" Width="24"/>
                                </Grid>
                            </Grid>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>