illustrates use of FileStreams 2

  
/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

 /*
  Example15_11.cs illustrates use of FileStreams
*/

using System;
using System.Windows.Forms;
using System.IO;

public class Example15_11 
{
    [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)
    {
      FileStream inStream = File.OpenRead(dlgOpen.FileName);
      FileStream outStream = 
        File.OpenWrite(dlgOpen.FileName + ".bak");
      byte[] buf = new byte[4096];
      int bytesRead;

      // copy all data from in to out
      while ((bytesRead = inStream.Read(buf, 0, 4096)) > 0)
        outStream.Write(buf, 0, bytesRead);

      // clean up
      outStream.Flush();
      outStream.Close();
      inStream.Close();

    }

  }

}

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16.	FileStream Class supporting both synchronous and asynchronous read and write operations.
17.	Create FileStream for ASCII encoding
18.	Create FileStream class with the specified path and creation mode.
19.	Create FileStream with specified path, creation mode, read/write and sharing permission
20.	Gets a value indicating whether the current stream supports reading.
21.	Gets a value indicating whether the current stream supports seeking.
22.	Gets a value indicating whether the current stream supports writing.
23.	Can read and write
24.	Reads a block of bytes from the stream and writes the data in a given buffer.
25.	Sets the current position of this stream to the given value.
26.	Read file fully

illustrates use of FileStreams 2 : FileStream « File Stream « C# / C Sharp

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