root/lang/csharp/Criw-0/SettingManager.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml.Serialization;
using System.IO;

namespace Misuzilla.Applications.Mobile.Criw0
{
    public class SettingManager
    {
        private static XmlSerializer xmlSerializer;
        private static Setting setting;

        private SettingManager() { }
        static SettingManager()
        {
            xmlSerializer = new XmlSerializer(typeof(Setting));
            setting = new Setting();
        }

        public static Setting Setting
        {
            get { return setting; }
        }

        public static void Save()
        {
            String dir = Path.Combine(
                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                @"Misuzilla\Criw-0"
            );
            if (!Directory.Exists(dir))
            {
                Directory.CreateDirectory(dir);
            }
            Save(setting, Path.Combine(dir, "Settings.xml"));
        }
        public static void Save(Setting setting, String filePath)
        {
            using (TextWriter w = new StreamWriter(File.Open(filePath, FileMode.Create))) {
                Save(setting, w);
            }
        }
        public static void Save(Setting setting, TextWriter writer)
        {
            xmlSerializer.Serialize(writer, setting);
        }

        public static void Load()
        {
            String path = Path.Combine(
                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                @"Misuzilla\Criw-0\Settings.xml"
            );
            
            if (!File.Exists(path)) return;

            setting = Load(path);
        }
        public static Setting Load(String filePath)
        {
            using (StreamReader s = new StreamReader(File.OpenRead(filePath)))
            {
                return Load(s);
            }
        }
        public static Setting Load(TextReader reader)
        {
            return xmlSerializer.Deserialize(reader) as Setting;
        }
    }
}