. Net compressed file stream

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. IO. Compression;
Using System. IO;
 
Namespace gzipfile
{
Public partial class Form1: Form
{
Public Form1 ()
{
InitializeComponent ();
}
 
Private void button#click (object sender, EventArgs e)
{

 
 
// File stream
FileStream reader;
Reader = File. Open ("D: \ ddd.txt", FileMode. Open );
FileStream writer;
Writer = File. Create ("D: \ ddd.gz ");
 
// Compress related streams
MemoryStream MS = new MemoryStream ();
GZipStream zipStream = new GZipStream (MS, CompressionMode. Compress, true );
 
// Write data to the compressed stream
Byte [] sourceBuffer = new byte [reader. Length];
 
 
Reader. Read (sourceBuffer, 0, sourceBuffer. Length );
ZipStream. Write (sourceBuffer, 0, sourceBuffer. Length );
 
// Make sure to disable the compressed stream before the memory stream is read.
ZipStream. Close ();
ZipStream. Dispose ();
 
// Read data from the memory stream
Ms. Position = 0; // Note: Do not omit this sentence
Byte [] destBuffer = new byte [ms. Length];
// Ms. Read (destBuffer, 0, destBuffer. Length );
 
Byte [] header = new byte [10];
Ms. Read (header, 0, 10 );
Header [3] = 8; // indicates the file name information.
Byte [] fielContent = new byte [ms. Length-10];
Ms. Read (fielContent, 0, fielContent. Length );
 
String strfilename = "widebright's file .txt"; // specify the initial file name

// Byte [] filename = System. Text. Encoding. Convert (System. Text. Encoding. Default,
/// System. Text. Encoding. GetEncoding ("ISO-8859-1 "),
// System. Text. Encoding. Default,
// System. Text. Encoding. Default. GetBytes (strfilename ));
Byte [] filename = System. Text. Encoding. Default. GetBytes (strfilename );
 
Writer. Write (header, 0, header. Length );
Writer. Write (filename, 0, filename. Length );
Writer. WriteByte (0); // the file name ends in 0 bytes.
Writer. Write (fielContent, 0, fielContent. Length );
 
// Close and release the memory stream
Ms. Close ();
Ms. Dispose ();
 
// Close and release the file stream
Writer. Close ();
Writer. Dispose ();
Reader. Close ();
Reader. Dispose ();
 
 
}
}
}

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