c# 注册表操作，用于更新软件

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.IO;
using Microsoft.Win32;
using System.Windows.Forms;

namespace UpdateFile
{
    //注册表RegistryKey类在.NET的Microsoft.Win32命名空间中

    /// <summary>
    /// 用于更新管理软件文件使用
    /// 作者：WJS
    /// 时间：2013-12-24
    /// </summary>
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            CopyFileToInstallLocation();
        }

        /// <summary>
        /// 复制文件到安装目录
        /// </summary>
        private void CopyFileToInstallLocation()
        {
            string InstallLocation = FindInstallationDirectory();
            if (InstallLocation==null)
            {
                labelControl.Text = "您未安装回弹仪数据处理软件！";
            } 
            else
            {//复制文件到安装目录
                //获取需要复制文件的路径
                string FileDir = System.IO.Directory.GetCurrentDirectory();
                FileDir += "\\Data\\";
                CopyFileToInstallDir(FileDir, InstallLocation);
                labelControl.Text = "更新完成！";
            }

        }

        /// <summary>
        /// 查找安装路径
        /// </summary>
        /// <returns></returns>
        private string FindInstallationDirectory()
        {//{F527CD43-4692-43FF-8716-172D4631F905}
            //InstallLocation 安装路径

            string MykeyName = "{F527CD43-4692-43FF-8716-172D4631F905}";
            RegistryKey hkml = Registry.LocalMachine;
            RegistryKey software = hkml.OpenSubKey("SOFTWARE", false);
            RegistryKey microsoft = software.OpenSubKey("Microsoft", false);
            RegistryKey windows = microsoft.OpenSubKey("Windows", false);
            RegistryKey currentVersion = windows.OpenSubKey("CurrentVersion", false);
            RegistryKey uninstall = currentVersion.OpenSubKey("Uninstall", false);

            string[] subkeyNames = uninstall.GetSubKeyNames();
            foreach (string keyName in subkeyNames)
            {
                if (keyName == MykeyName)
                {
                    RegistryKey Name = uninstall.OpenSubKey(MykeyName, false);
                    string InstallLocation = (string)Name.GetValue("InstallLocation");
                    return InstallLocation;
                }
            }
            return null;
        }


        private void CopyFileToInstallDir( string FileDir,string InstallLocation)
        {
        
           //查找目标文件夹下所有文件和文件夹
           DirectoryInfo dires = new DirectoryInfo(FileDir);
           FileInfo[] files = dires.GetFiles();
           foreach (FileInfo f in files)
           {
               if (!Directory.Exists(InstallLocation))
                   Directory.CreateDirectory(InstallLocation);
               File.Copy(f.FullName, InstallLocation+f.Name,true);
           }
           DirectoryInfo[] dir = dires.GetDirectories();
           foreach (DirectoryInfo d in dir)
           {
               CopyFileToInstallDir(d.FullName,InstallLocation+d.Name+"\\");
           }

        }



















    }
}