C# 重写GetSetting SaveSetting

[csharp] 
using Microsoft.Win32; 
using System; 
using System.Collections; 
using System.Reflection; 
using System.Runtime.CompilerServices; 
using System.Runtime.InteropServices; 
using System.Security; 
using System.Security.Permissions; 
using System.Text; 
using System.Threading; 
using System.Windows.Forms; 
/* 2012.6.21
 * 注册表读写配置类 V1.1
 * By:Transmart www.zzzyk.com
 * 我们提供软件外包服务，专注于工控组态软硬件开发，涉足网路、数据库、系统编程
 * 欢迎大家来信交流
 * 转载时请保留这段声明，谢谢
 */ 
 
namespace Main 
{ 
   public class Class_Setting 
    { 
       static string myAppName=null ; 
 
       private static bool IsNothing(object Expression) 
        { 
            return (Expression == null); 
        } 
        private static string FormRegKey(string sApp, string sSect) 
        { 
            if (IsNothing(sApp) || (sApp.Length == 0)) 
            { 
                return @"Software\Transmart"; 
            } 
            if (IsNothing(sSect) || (sSect.Length == 0)) 
            { 
                return (@"Software\Transmart\" + sApp); 
            } 
            return (@"Software\Transmart\" + sApp + @"\" + sSect); 
        } 
        private static void CheckPathTransmart(string s) 
        { 
            if ((s == null) || (s.Length == 0)) 
            { 
                throw new ArgumentException("参数路径为空!"); 
            } 
        } 
       /// <summary> 
       /// 初始化程序名，使用时请先初始化程序名 
       /// </summary> 
       /// <param name="Appname"></param> 
        public static void IniSetting(string Appname) 
        { 
            myAppName = Appname; 
        } 
 
        public static void SaveSetting(string Section, string Key, string Setting) 
        { 
            SaveSetting(myAppName, Section, Key, Setting); 
        } 
 
        public static void SaveSetting(string AppName, string Section, string Key, string Setting) 
        { 
            CheckPathTransmart(AppName); 
            CheckPathTransmart(Section); 
            CheckPathTransmart(Key); 
            string subkey = FormRegKey(AppName, Section); 
            RegistryKey key = Registry.LocalMachine.CreateSubKey(subkey); 
            if (key == null) 
            { 
                throw new ArgumentException("无法创建配置！"); 
            } 
            try 
            { 
                key.SetValue(Key, Setting); 
            } 
            catch (Exception exception) 
            { 
                throw exception; 
            } 
            finally 
            { 
                key.Close(); 
            } 
        } 
 
        public static string GetSetting( string Section, string Key, string Default = "") 
        { 
            return GetSetting(myAppName, Section, Key, Default); 
        } 
 
        public static string GetSetting(string AppName, string Section, string Key, string Default = "") 
        { 
            object obj2; 
            RegistryKey key = null; 
            CheckPathTransmart(AppName); 
            CheckPathTransmart(Section); 
            CheckPathTransmart(Key); 
            if (Default == null) 
            { 
      &n

补充：软件开发 , C# ,