REGISTRYMANAGER: POUR ACCÉDER TRÈS SIMPLEMENT À LA BASE DE REGISTRE WINDOWS

using System;
using System.Collections.Specialized;
using Microsoft.Win32;


namespace RegistryManagerNS
{
	/// <summary>
	/// RegistryManager Class
	/// 
	/// Load and save all the parameters in the registry
	/// </summary>
	public class RegistryManager
	{
		#region Attributs
		private static RegistryManager _instance = null;
		private RegistryKey regKeyProduct = null;
		private const string PRODUCT_NAME = "Nom de l application";
		private const string MANUFACTURER_NAME = "Nom de l editeur";

		private NameValueCollection _configurationParameters;
		#endregion

		#region Public Properties

		public NameValueCollection Parameters 
		{
			get{ return _configurationParameters; }
		}

		/// <summary>
		/// Design Pattern Singleton
		/// </summary>
		public static RegistryManager Instance 
		{
			get 
			{
				if (_instance == null)
					_instance = new RegistryManager();
				return (_instance);
			}
		}

		#endregion

		#region Construtor
		private RegistryManager() 
		{
			RegistryKey regKeySoftware = Registry.LocalMachine.OpenSubKey("SOFTWARE");
			RegistryKey regKeyManufacturer  = regKeySoftware.OpenSubKey(MANUFACTURER_NAME, true);
			if (regKeyManufacturer == null)
			{
				regKeyManufacturer = regKeySoftware.CreateSubKey(MANUFACTURER_NAME);
			}
			regKeyProduct = regKeyManufacturer.OpenSubKey(PRODUCT_NAME, true);
			if (regKeyProduct == null)
			{
				regKeyProduct = regKeyManufacturer.CreateSubKey(PRODUCT_NAME);
			}
			_configurationParameters = new NameValueCollection();
			LoadRegistry();
		}

		#endregion

		#region Public methods
		public void LoadRegistry() 
		{
			this._configurationParameters.Clear();
			foreach (string valueName in regKeyProduct.GetValueNames()) 
			{
				_configurationParameters.Add(valueName, (string)regKeyProduct.GetValue(valueName));
			}
		}

		public void SaveRegistry()
		{
			foreach (string key in _configurationParameters.Keys) 
			{
				regKeyProduct.SetValue(key, _configurationParameters.Get(key));
			}
		}
		#endregion
	}
}