我想用C#写个压缩软件 求教各位高手指点
我目前是想写个压缩软件，但是不知道从哪个地方入手。我在网上搜索一些资料但是不是很明白。所以求各位高手指点一下，谢谢了。如果可以的话 QQ聊最好 我的QQ是1115683236

------解决方案--------------------
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;
using System.Diagnostics;
using ICSharpCode.SharpZipLib.Core;

namespace TestConsole
{
class Program
{
static void Main()
{
//CreateZipFile(@"d:\", @"d:\a.zip");
UnZipFile(@"d:\a.zip");

Console.Read();
}

private static void CreateZipFile(string filesPath, string zipFilePath)
{

if (!Directory.Exists(filesPath))
{
Console.WriteLine("Cannot find directory '{0}'", filesPath);
return;
}

try
{
string[] filenames = Directory.GetFiles(filesPath);
using (ZipOutputStream s = new ZipOutputStream(File.Create(zipFilePath)))
{

s.SetLevel(9); // 压缩级别 0-9
//s.Password = "123"; //Zip压缩文件密码
byte[] buffer = new byte[4096]; //缓冲区大小
foreach (string file in filenames)
{
ZipEntry entry = new ZipEntry(Path.GetFileName(file));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(file))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
s.Finish();
s.Close();
}
}
catch (Exception ex)
{
Console.WriteLine("Exception during processing {0}", ex);
}
}

private static void UnZipFile( string zipFilePath)
{
if (!File.Exists(zipFilePath))
{
Console.WriteLine("Cannot find file '{0}'", zipFilePath);
return;
}

using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipFilePath)))
{

ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{

Console.WriteLine(theEntry.Name);

string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);

// create directory
if (directoryName.Length > 0)
{
Directory.CreateDirectory(directoryName);
}

if (fileName != String.Empty)
{
using (FileStream streamWriter = File.Create(theEntry.Name))
{

int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)