Examples of usage:

<TextBlock Style="{DynamicResource ShellInfoValueStyle}" Text="{Binding Path=Id, Converter={StaticResource FolderInfoConverter}, ConverterParameter=count:image:folderRef}" Grid.Row="4" Grid.Column="1"/>

<TextBlock Style="{DynamicResource ShellInfoValueStyle}" Text="{Binding Path=Id, Converter={StaticResource FolderInfoConverter}, ConverterParameter=size:image:folderRef:data}" Grid.Row="5" Grid.Column="1"/>