illustrates use of BufferedStreams : BufferedStream « File Stream



/*

Mastering Visual C# .NET

by Jason Price, Mike Gunderloy



Publisher: Sybex;

ISBN: 0782129110

*/



 /*

  Example15_14.cs illustrates use of BufferedStreams

*/



using System;

using System.Windows.Forms;

using System.IO;



public class Example15_14 

{

    [STAThread]

  public static void Main() 

  {



    // use an open file dialog to get a filename

    OpenFileDialog dlgOpen = new OpenFileDialog();

    dlgOpen.Title="Select file to back up";



    if (dlgOpen.ShowDialog() == DialogResult.OK)

    {

      // create the raw streams

      FileStream inStream = File.OpenRead(dlgOpen.FileName);

      FileStream outStream = 

        File.OpenWrite(dlgOpen.FileName + ".bak");



      // add a buffering layer

      BufferedStream bufInStream = new BufferedStream(inStream);

      BufferedStream bufOutStream = new BufferedStream(outStream);



      byte[] buf = new byte[4096];

      int bytesRead;



      // copy all data from in to out via the buffer layer

      while ((bytesRead = bufInStream.Read(buf, 0, 4096)) > 0)

        bufOutStream.Write(buf, 0, bytesRead);



      // clean up

      bufOutStream.Flush();

      bufOutStream.Close();

      bufInStream.Close();

      outStream.Close();

      inStream.Close();



    }



  }



}
illustrates use of BufferedStreams : BufferedStream « File Stream « C# / C Sharp
