using System;

using System.Globalization;

using System.Threading;

public class Program

{

    public static void Main()

    {

        CultureInfo displayCulture = CultureInfo.GetCultureInfo("fr-FR");

        Thread.CurrentThread.CurrentUICulture = displayCulture;

        CultureInfo[] cultures = CultureInfo.GetCultures(CultureTypes.SpecificCultures);

​

        foreach (var culture in cultures)

        {

            Console.WriteLine($"{culture.Name} - {culture.DisplayName}");

        }

    }

}