使用winrar命令行完成文件/文件夹压缩，解压（C#实现）

Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Collections;
using System.IO;
using System.IO.Compression;
namespace Backup
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        private string getname(string word)
        {
            //  MessageBox.Show("请选择文件");
            OpenFileDialog openFileDialog = new OpenFileDialog();
            // openFileDialog.InitialDirectory="c:\\";//注意这里写路径时要用c:\\而不是c:\  
            openFileDialog.Filter = "所有文件|*.*";
            openFileDialog.RestoreDirectory = true;
            openFileDialog.Title = word;
            openFileDialog.FilterIndex = 1;
            if (openFileDialog.ShowDialog() == DialogResult.OK)
            {
                return openFileDialog.FileName;
            }            else                return "error";
        }//获取文件路径        private string getpath()
        {
            //MessageBox.Show("请选择存放的路径！");
            // 设置根在桌面
            FolderBrowserDialog folderBrowserDialog1 = new FolderBrowserDialog();
            folderBrowserDialog1.RootFolder = System.Environment.SpecialFolder.Desktop;
            // 设置当前选择的路径
            folderBrowserDialog1.SelectedPath = "C:";
            // 允许在对话框中包括一个新建目录的按钮
            folderBrowserDialog1.ShowNewFolderButton = true;
            // 设置对话框的说明信息
            folderBrowserDialog1.Description = "请选择输出目录";
            if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
            {                // 在此添加代码,选择的路径为 folderBrowserDialog1.SelectedPath
                return folderBrowserDialog1.SelectedPath.ToString();            }
            else
                return "error";
        }//获取存放路径        private void button1_Click(object sender, EventArgs e)
        {            {
                string strtxtPath = getname("");
                //string strzipPath = getpath();
                //string strtxtPath = "C:\\freezip\\free.txt";
                //string strzipPath = "C:\\freezip\\free.zip";
                System.Diagnostics.Process Process1 = new System.Diagnostics.Process();
               // Process1.StartInfo.FileName = @"F:\Program Files\HaoZip\HaoZipC.exe";
                Process1.StartInfo.FileName = "Winrar.exe";
                Process1.StartInfo.CreateNoWindow = true;                //// 1
                ////压缩c:\freezip\free.txt(即文件夹及其下文件freezip\free.txt)
                ////到c:\freezip\free.rar
                //strzipPath = "C:\\freezip\\free";//默认压缩方式为 .rar
              //  Process1.StartInfo.Arguments = " a " + strzipPath + " " + strtxtPath + " -r ";
                string strzipPath = getpath();
                Directory.CreateDirectory(strzipPath);
                strzipPath = "\"" + strzipPath + @"\a.rar" + "\"";
                MessageBox.Show(strzipPath);
                Process1.StartInfo.Arguments = " a -r " + strzipPath + " " + strtxtPath;
                
                MessageBox.Show(Process1.StartInfo.Arguments.ToString());
                // 2
                //压缩c:\freezip\free.txt(即文件夹及其下文件freezip\free.txt)
                //到c:\freezip\free.rar
               // strzipPath = "C:\\freezip\\free";//设置压缩方式为 .zip
               // Process1.StartInfo.Arguments = " a -afzip " + strzipPath + " " + strtxtPath;                //// 3
                ////压缩c:\freezip\free.txt(即文件夹及其下文件freezip\free.txt)
                //到c:\freezip\free.zip  直接设定为free.zip                // Process1.StartInfo.Arguments = " a -r  "+strzipPath+"  " + strtxtPath ;                //// 4
                ////搬迁压缩c:\freezip\free.txt(即文件夹及其下文件freezip\free.txt)
                ////到c:\freezip\free.rar 压缩后 原文件将不存在
                //Process1.StartInfo.Arguments = " m " + strzipPath + " " + strtxtPath;                //// 5
                ////压缩c:\freezip\下的free.txt(即文件free.txt)
                ////到c:\freezip\free.zip  直接设定为free.zip 只有文件 而没有文件夹
                //Process1.StartInfo.Arguments = " a -ep " + strzipPath + " " + strtxtPath;                //// 6
                ////解压缩c:\freezip\free.rar
                ////到 c:\freezip\
                //strtxtPath = "c:\\freezip\\";
                //Process1.StartInfo.Arguments = " x " + strzipPath + " " + strtxtPath;                //// 7
                ////加密压缩c:\freezip\free.txt(即文件夹及其下文件freezip\free.txt)
                ////到c:\freezip\free.zip  密码为123456 注意参数间不要空格
                //Process1.StartInfo.Arguments = " a -p123456 " + strzipPath + " " + strtxtPath;                //// 8
                ////解压缩加密的c:\freezip\free.rar
                ////到 c:\freezip\   密码为123456 注意参数间不要空格
                //strtxtPath = "c:\\freezip\\";
                //Process1.StartInfo.Arguments = " x -p123456 " + strzipPath + " " + strtxtPath;                //// 9 
                ////-o+ 覆盖 已经存在的文件
                //// -o- 不覆盖 已经存在的文件
                //strtxtPath = "c:\\freezip\\";
                //Process1.StartInfo.Arguments = " x -o+ " + strzipPath + " " + strtxtPath;                ////10
                //// 只从指定的zip中
                //// 解压出free1.txt
                //// 到指定路径下
                //// 压缩包中的其他文件 不予解压
                //strtxtPath = "c:\\freezip\\";
                //Process1.StartInfo.Arguments = " x " + strzipPath + " " +" free1.txt" + " " + strtxtPath;                //// 11
                //// 通过 -y 对所有询问回应为"是" 以便 即便发生错误 也不弹出WINRAR的窗口
                //// -cl 转换文件名为小写字母 
                //strtxtPath = "c:\\freezip\\";
                //Process1.StartInfo.Arguments = " t -y -cl " + strzipPath + " " + " free1.txt";
                try
                {
                    MessageBox.Show("dd");
                    Process1.Start();
                }
                catch
                {
                    MessageBox.Show(e.ToString());
                }
                finally
                {
                    if (Process1.HasExited)
                    {
                        int iExitCode = Process1.ExitCode;
                        if (iExitCode == 0)
                        {
                            MessageBox.Show(iExitCode.ToString() + " 正常完成");
                        }
                        else
                        {
                            MessageBox.Show(iExitCode.ToString() + " 有错完成");
                        }
                    }
                }
                Process1.Close();
                
            }
        }
    }
}