求高手，帮我看看
我在看这个教程的时候自己也做了一些实验，发现文件夹被程序压缩后， 用winrar打开发现它压缩了整个文件夹的路径（从C盘开始，到文件夹结束），小弟我请哪位高手能帮忙改一改，能不能就像winrar一样只压缩当前的目录，还有它好像不能压缩单个文件
一下是复制下来的原文

C# code

/// <summary> /// 压缩文件 /// </summary>using System;using System.IO;using ICSharpCode.SharpZipLib.Checksums;using ICSharpCode.SharpZipLib.Zip;using ICSharpCode.SharpZipLib.GZip;namespace Compression{ public class ZipClass {   public void ZipFile(string FileToZip, string ZipedFile ,int CompressionLevel, int BlockSize)  {   //如果文件没有找到，则报错   if (! System.IO.File.Exists(FileToZip))    {    throw new System.IO.FileNotFoundException("The specified file " + FileToZip + " could not be found. Zipping aborderd");   }     System.IO.FileStream StreamToZip = new System.IO.FileStream(FileToZip,System.IO.FileMode.Open , System.IO.FileAccess.Read);   System.IO.FileStream ZipFile = System.IO.File.Create(ZipedFile);   ZipOutputStream ZipStream = new ZipOutputStream(ZipFile);   ZipEntry ZipEntry = new ZipEntry("ZippedFile");   ZipStream.PutNextEntry(ZipEntry);   ZipStream.SetLevel(CompressionLevel);   byte[] buffer = new byte[BlockSize];   System.Int32 size =StreamToZip.Read(buffer,0,buffer.Length);   ZipStream.Write(buffer,0,size);   try    {    while (size < StreamToZip.Length)     {     int sizeRead =StreamToZip.Read(buffer,0,buffer.Length);     ZipStream.Write(buffer,0,sizeRead);     size += sizeRead;    }   }    catch(System.Exception ex)   {    throw ex;   }   ZipStream.Finish();   ZipStream.Close();   StreamToZip.Close();  }   public void ZipFileMain(string[] args)  {   string[] filenames = Directory.GetFiles(args[0]);     Crc32 crc = new Crc32();   ZipOutputStream s = new ZipOutputStream(File.Create(args[1]));     s.SetLevel(6); // 0 - store only to 9 - means best compression     foreach (string file in filenames)    {    //打开压缩文件    FileStream fs = File.OpenRead(file);       byte[] buffer = new byte[fs.Length];    fs.Read(buffer, 0, buffer.Length);    ZipEntry entry = new ZipEntry(file);       entry.DateTime = DateTime.Now;       // set Size and the crc, because the information    // about the size and crc should be stored in the header    // if it is not set it is automatically written in the footer.    // (in this case size == crc == -1 in the header)    // Some ZIP programs have problems with zip files that don't store    // the size and crc in the header.    entry.Size = fs.Length;    fs.Close();       crc.Reset();    crc.Update(buffer);       entry.Crc  = crc.Value;       s.PutNextEntry(entry);       s.Write(buffer, 0, buffer.Length);      }     s.Finish();   s.Close();  } }}//现在再来看看解压文件类的源码 /// <summary> /// 解压文件 /// </summary>using System;using System.Text;using System.Collections;using System.IO;using System.Diagnostics;using System.Runtime.Serialization.Formatters.Binary;using System.Data;using ICSharpCode.SharpZipLib.BZip2;using ICSharpCode.SharpZipLib.Zip;using ICSharpCode.SharpZipLib.Zip.Compression;using ICSharpCode.SharpZipLib.Zip.Compression.Streams;using ICSharpCode.SharpZipLib.GZip;namespace DeCompression{ public class UnZipClass {     public void UnZip(string[] args)  {   ZipInputStream s = new ZipInputStream(File.OpenRead(args[0]));     ZipEntry theEntry;   while ((theEntry = s.GetNextEntry()) != null)    {             string directoryName = Path.GetDirectoryName(args[1]);    string fileName      = Path.GetFileName(theEntry.Name);       //生成解压目录    Directory.CreateDirectory(directoryName);       if (fileName != String.Empty)     {        //解压文件到指定的目录     FileStream streamWriter = File.Create(args[1]+theEntry.Name);         int size = 2048;     byte[] data = new byte[2048];     while (true)      {      size = s.Read(data, 0, data.Length);      if (size > 0)       {       streamWriter.Write(data, 0, size);      }       else       {       break;      }     }         streamWriter.Close();    }   }   s.Close();  } }}    //有了压缩和解压缩的类以后，就要在窗体里调用了。怎么？是新手，不会调用？Ok,接着往下看如何在窗体里调用。    //首先在窗体里放置两个命令按钮（不要告诉我你不会放啊~），然后编写以下源码/// <summary> /// 调用源码 /// </summary>      private void button2_Click_1(object sender, System.EventArgs e)  {   string []FileProperties=new string[2];   FileProperties[0]="C:\\unzipped\\";//待压缩文件目录   FileProperties[1]="C:\\zip\\a.zip";  //压缩后的目标文件   ZipClass Zc=new ZipClass();   Zc.ZipFileMain(FileProperties);  }     private void button2_Click(object sender, System.EventArgs e)  {   string []FileProperties=new string[2];   FileProperties[0]="C:\\zip\\test.zip";//待解压的文件   FileProperties[1]="C:\\unzipped\\";//解压后放置的目标目录   UnZipClass UnZc=new UnZipClass();   UnZc.UnZip(FileProperties);  } 
 

[解决办法]
string strtxtPath = "C:\\A\\1.txt";
string strzipPath = "C:\\B\\1.zip";
System.Diagnostics.Process Process1 = new System.Diagnostics.Process();
Process1.StartInfo.FileName = "Winrar.exe";
Process1.StartInfo.CreateNoWindow = true;
Process1.StartInfo.Arguments = " a -r "+strzipPath+" " + strtxtPath ;
Process1.StartInfo.Arguments = " a -ep " + strzipPath + " " + strtxtPath;
////加密压缩c
Process1.StartInfo.Arguments = " a -p123456 " + strzipPath + " " + strtxtPath;
Process1.Start();