using System;

using System.Globalization;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        DisplayForOneCulture("en-150");

        Console.WriteLine();

        DisplayForOneCulture("en-NL");

        Console.WriteLine();

        DisplayForOneCulture("en-SE");

        Console.WriteLine();

        DisplayForOneCulture("en");

        return;

        List<string> list = new List<string>();

        foreach (CultureInfo ci in CultureInfo.GetCultures(CultureTypes.AllCultures))

        {

            DisplayForOneCulture(ci);

            Console.WriteLine();

        }

    }

    private static void DisplayForOneCulture(string cultureID)

    {

        var culture = new CultureInfo(cultureID);

        DisplayForOneCulture(culture);

    }

    private static void DisplayForOneCulture(CultureInfo culture)

    {

        Console.WriteLine(string.Format("{0,-12}{1,-12}{2,-12}{3,-12}{4,-12}{5,-12}{6}","CULTURE","PARENT","ISNEUTRAL","LCID","REG_NAME","REG_METRIC","ENGLISH NAME"));

        Console.WriteLine("--------------------------------------------------------------");

        while(culture.Parent != null)

        {

            try{

                var regionFromLCID = new RegionInfo(culture.LCID);

                var regionInfo = GetRegionInfo(regionFromLCID);

                Console.WriteLine(string.Format("{0,-12}{1,-12}{2,-12}{3,-12}{4,-12}{5,-12}{6}",

                                      culture.Name, culture.Parent.Name,culture.IsNeutralCulture, culture.LCID, regionInfo.Item1, regionInfo.Item2, culture.EnglishName));

                culture = culture.Parent;

            }

            catch(Exception)

            {

                Console.WriteLine(string.Format("{0,-12}{1,-12}{2,-12}{3,-12}{4,-12}{5,-12}{6}",

                                      culture.Name, culture.Parent.Name,culture.IsNeutralCulture, culture.LCID, "ERROR", "ERROR", culture.EnglishName));

                break;

            }

        }

    }

​

    private static Tuple<string, string> GetRegionInfo(RegionInfo region)

    {

        if (region != null)

        {

            return Tuple.Create(region.Name, region.IsMetric.ToString());

        }

        return Tuple.Create("(none)","(none)");

    }

    private static RegionInfo AsRegionInfo(CultureInfo culture)

    {

        if (culture == null)

            return null;

        if (culture.IsNeutralCulture == false)

            return new RegionInfo(culture.LCID);

        var parentCulture = culture.Parent;

        if (parentCulture != CultureInfo.InvariantCulture)

        {

            var parentRegion = AsRegionInfo(culture.Parent);

            if (parentRegion != null)

                return parentRegion;

        }

​

        // TODO: Consider searching for "similar cultures"

        return RegionInfo.CurrentRegion;

    }

}