请高手把本程序补充完整，
如果你的电脑中有HKEY_LOCAL_MACHINE\SOFTWARE\Adobe和HKEY_LOCAL_MACHINE\SOFTWARE\QQ,没有可用其它代替。

目的：1、从这两个注册表项取出所有项和键值，存入一个txt文件。
      2、 读出txt文件，写入注册表
using System;
using System.Collections.Generic;
using System.Text;

namespace IregOperate
{
    /// <summary>
    /// IRegOperator接口
    /// </summary>
    interface IRegOperator
    {
        /// <summary>
        /// Read()方法
        /// Write(list<string> content)方法
        /// </summary>
        /// <returns></returns>
        string Read();
        void Write(List<string> content);
    }

    /// <summary>
    /// 抽象类AbstractRegOperate实现IRegOperator接口
    /// </summary>
    abstract class AbstractRegOperate : IRegOperator
    {
        public abstract string Read();
        public abstract void Write(List<string> content);
        protected string ReadRegistry(string registryname)
        {
           
        }
    }
    class UTRegOperator : AbstractRegOperate
    {
        public override string Read()
        {
            string temp = string.Empty;
            temp += ReadRegistry(@"HKEY_LOCAL_MACHINE\SOFTWARE\Adobe");
            return temp;
        }
        public override void Write(List<string> content)
        {
            throw new Exception("The method or operation is not implemented.");
        }
    }

    class CTRegOperator : AbstractRegOperate
    {
        public override string Read()
        {
            string temp = string.Empty;
            temp += ReadRegistry(@"HKEY_LOCAL_MACHINE\SOFTWARE\QQ");
            return temp;
        }
        public override void Write(List<string> content)
        {
        }
    }
    public class RegOperatorFactory : IRegOperator
    {
        IRegOperator m_operator;
        public RegOperatorFactory(RegOption option)
        {
            switch (option)
            {
                case RegOption.CT:
                    m_operator = new CTRegOperator();
                    break;
                case RegOption.UT:
                    m_operator = new UTRegOperator();
                    break;
                default:
                    throw new Exception("没有提供方法实现。");
            }
        }

        public string Read()
        {
            return m_operator.Read();
        }

        public void Write(List<string> content)
        {
            m_operator.Write(content);
        }
    }

    public enum RegOption
    {
        UT,
        CT
    }

}

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写注册表实现右键菜单

命名空间：
using Microsoft.Win32;

右键菜单的注册表项在\HKEY_CLASSES_ROOT\*\shell下

关键代码：
RegistryKey reg;
reg = Registry.ClassesRoot;
reg=reg.CreateSubKey(@"*\shell\myApp");
//创建新项myApp
reg.SetValue("","我的程序");
//设置项值
reg = Registry.ClassesRoot;
reg.CreateSubKey(@"*\shell\myApp\command");
//创建新项command
reg.SetValue("",Application.ExecutablePath+" %1");
//设置command的值
reg.Close();

帮帮手啥