WPF ListView 値の右寄せ

<ListView>
    <ListView.View>
        <GridView>
            <GridViewColumn Header="Price">
                <GridViewColumn.CellTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding Price, StringFormat='#,##0'}" TextAlignment="Right" Width="100"/>
                    </DataTemplate>
                </GridViewColumn.CellTemplate>
            </GridViewColumn>
        </GridView>
    </ListView.View>
</ListView>