WPF DataGrid RowHeader样式TargetType

<Style TargetType="DataGridRowHeader">
    <Setter Property="Background" Value="LightGray"/>
    <Setter Property="Foreground" Value="Black"/>
    <Setter Property="FontWeight" Value="Bold"/>
    <Setter Property="FontSize" Value="12"/>
    <Setter Property="HorizontalAlignment" Value="Center"/>
    <Setter Property="VerticalAlignment" Value="Center"/>
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="DataGridRowHeader">
                <Grid>
                    <Border Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"/>
                    <ContentPresenter Content="{TemplateBinding Content}"
                                      HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                      VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                </Grid>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>