using System;

using System.Text;

using System.Xml.Serialization;

public class Program

{

    public static void Main()

    {

        var args = new Args(/*"Devi Ltti", "192.168.1.1", 0, 1*/);

        Console.WriteLine("ProfileName: " + args.ProfileName);

        Console.WriteLine("Hostname: " + args.Hostname);

        Console.WriteLine("Lang: " + args.Lang);

        Console.WriteLine("Region: " + args.Region);

        var hostname = Encoding.ASCII.GetBytes(args.Hostname);

        Array.Resize(ref hostname, 0x14);

    }

}

​

public class Args

{

    public enum LANG : int

    {

        JAJP = 0,

        ENUS = 1,

        ENGB = 1,

        DEDE = 2,

        FRFR = 3

    }

    public Args(string profileName, string hostname, int lang, byte region)

    {

        ProfileName = profileName;

        Hostname = hostname;

        Lang = lang;

        Region = region;

    }

    public Args()

    {

        ProfileName = "Default";

        Hostname = "localhost";

    }

    private string _profileName;

    private string _hostname;

    private int _lang;

    private byte _region;

    [XmlAttribute("profileName")]

    public string ProfileName

    {

        get

        {

            return _profileName;    

        }

        set

        {

            if (value == null)

                throw new ArgumentNullException();

            if (value.Length < 1)

                throw new ArgumentOutOfRangeException();

            _profileName = value;

        }

    }

    [XmlAttribute("hostname")]

    public string Hostname

    {

        get

        {

            return _hostname;   

        }

        set

        {

            if (value == null)

                throw new ArgumentNullException();

            if (value.Length < 0x8 || value.Length > 0x14)

                throw new ArgumentOutOfRangeException();

            _hostname = value;

        }

    }

    public int Lang

    {

        get

        {

            return _lang;

        }

        set

        {

            _lang = value >= (int)LANG.JAJP && value <= (int)LANG.FRFR ? value : (int)LANG.JAJP;

        }

    }

    public byte Region

    {

        get

        {

            return _region;

        }

        set

        {

            _region = value >= (byte)1 && value <= (byte)3 ? value : (byte)1;

        }

    }

}