Change the star with custom symbol in WinRT Rating

<Page
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:SfRatingSample"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:Input="using:Syncfusion.UI.Xaml.Controls.Input"
    x:Class="SfRatingSample.MainPage"
    mc:Ignorable="d" xmlns:shared="using:Syncfusion.UI.Xaml.Primitives" xmlns:converter="using:Syncfusion.UI.Xaml.Converters">
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            <Thickness x:Key="SyncfusionDropDownButtonBorderThemeThickness">2 0 0 0</Thickness>
 
            <SolidColorBrush x:Key="SyncfusionTextBoxExtErrorThemeBrush" Color="Red" />
 
            <SolidColorBrush x:Key="AccentBrush" Color="#FF1FAEFF" />
 
            <SolidColorBrush x:Key="SyncfusionRatingItemPointerOverThemeBrush" Color="#FF8152EF"/>
 
            <Thickness x:Key="SyncfusionTransitionContentCotnrolThemePadding">5 0 0 0</Thickness>
 
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            <converter:DateTimeFormater x:Key="Formater"/>
 
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            <converter:Inverter x:Key="Inverter"/>
 
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            <converter:InverseBooleanToVisibilityConverter x:Key="InverseBooleanVisibilityConverter" />
 
            <converter:BrushToColorConverter x:Key="BrushConverter"/>
 
            <converter:CalendarHeaderFormatter x:Key="HeaderFormatter"/>
 
            <converter:EmptyStringToVisibilityConverter x:Key="EmptyStringVisibilityConverter" />
 
            <Input:VisibilityToBooleanConverter x:Key="VisibilityToBooleanConverter"/>
 
           
            <Style TargetType="Input:SfRatingItem">
                <Setter Property="Background" Value="Transparent" />
                <Setter Property="UnratedFill" Value="#FFE6E6E6" />
                <Setter Property="PointerOverFill" Value="#FFADADAD" />
                <Setter Property="Width" Value="30"/>
                <Setter Property="RatedFill" Value="{StaticResource AccentBrush}" />
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="Input:SfRatingItem">
                            <Grid Background="{TemplateBinding Background}">
                                <VisualStateManager.VisualStateGroups>
                                    <VisualStateGroup x:Name="CommonStates">
                                        <VisualState x:Name="MouseOver">
                                            <Storyboard>
                                                <DoubleAnimation Duration="0:0:0" To="1" Storyboard.TargetName="MouseOverPath"
                                                                                                                                                                                                                                 Storyboard.TargetProperty="(UIElement.Opacity)"/>
                                                <DoubleAnimation Duration="0:0:0" To="0" Storyboard.TargetName="Unrated"
                                                                                                                                                                                                                                 Storyboard.TargetProperty="(UIElement.Opacity)"/>
                                                <DoubleAnimation Duration="0:0:0" To="0" Storyboard.TargetName="RatedPath"
                                                                                                                                                                                                                                 Storyboard.TargetProperty="(UIElement.Opacity)"/>
                                            </Storyboard>
                                        </VisualState>
                                        <VisualState x:Name="Normal"/>
                                        <VisualState x:Name="Rated">
                                            <Storyboard>
                                                <DoubleAnimation Duration="0:0:0" To="1" Storyboard.TargetName="RatedPath"
                                                                                                                                                                                                                                 Storyboard.TargetProperty="(UIElement.Opacity)"/>
                                                <DoubleAnimation Duration="0:0:0" To="1" Storyboard.TargetName="Unrated"
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                                                <DoubleAnimation Duration="0:0:0" To="0" Storyboard.TargetName="MouseOverPath"
                                                                                                                                                                                                                                 Storyboard.TargetProperty="(UIElement.Opacity)"/>
                                            </Storyboard>
                                        </VisualState>
                                    </VisualStateGroup>
 
                                </VisualStateManager.VisualStateGroups>
                                <Grid x:Name="PART_RatingGrid"  Margin="{TemplateBinding Padding}">
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="Auto"/>
                                        <RowDefinition Height="*"/>
                                    </Grid.RowDefinitions>
 
                                    <Path x:Name="Unrated" Fill="{TemplateBinding UnratedFill}" Stretch="Uniform" 
                                                                                                                  Stroke="{TemplateBinding UnratedStroke}" StrokeLineJoin="Round" 
                                                                                                                  StrokeThickness="{TemplateBinding UnratedStrokeThickness}" VerticalAlignment="Stretch" Opacity="1" 
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                                    <Path x:Name="MouseOverPath" Fill="{TemplateBinding PointerOverFill}" Stretch="Uniform" 
                                                                                                                  Stroke="{TemplateBinding PointerOverStroke}" StrokeLineJoin="Round" 
                                                                                                                  StrokeThickness="{TemplateBinding PointerOverStrokeThickness}" VerticalAlignment="Stretch" Opacity="0" Visibility="{Binding InternalPrecision, Converter={StaticResource VisibilityConverter}, Mode=TwoWay, RelativeSource={RelativeSource Mode=TemplatedParent}}"
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                                    <Path x:Name="RatedPath" Fill="{TemplateBinding RatedFill}" Stretch="Uniform" 
                                                                                                                  Stroke="{TemplateBinding RatedStroke}" StrokeLineJoin="Round" 
                                                                                                                  StrokeThickness="{TemplateBinding RatedStrokeThickness}" VerticalAlignment="Stretch" Opacity="0"
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                                    <shared:LinearClipper ExpandDirection="Right" RatioVisible="{TemplateBinding InternalValue}">
                                        <Path x:Name="LinearCliperPath" Fill="{TemplateBinding RatedFill}" Stretch="Uniform" 
                                                                                                                  Stroke="{TemplateBinding RatedStroke}" StrokeLineJoin="Round" 
                                                                                                                  StrokeThickness="{TemplateBinding RatedStrokeThickness}" VerticalAlignment="Stretch" 
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                                    </shared:LinearClipper>
 
                                    <Border Grid.Row="1" Margin="{TemplateBinding Margin}">
                                        <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                                    </Border>
                                </Grid>
                            </Grid>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Style>
                                      
 
    </Page.Resources>
 
    <Grid Background="White">
 
        <Input:SfRating Background="Aqua"  Width="300" ItemsCount="6" HorizontalAlignment="Center" Height="100"  VerticalAlignment="Center" >
           
        </Input:SfRating>
 
    </Grid>
   
</Page>