Use FileStream to write a file by byte array : File Byte Read Write « File Directory Stream « C# / CSharp Tutorial

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C# / CSharp Tutorial » File Directory Stream » File Byte Read Write 
15.10.2.Use FileStream to write a file by byte array
using System;
using System.Windows.Forms;
using System.IO;

class MainClass
{
  public static void Main() 
  {
    FileStream inStream = File.OpenRead("C:\\test.txt");
    FileStream outStream = File.OpenWrite("C:\\test.txt" ".bak");
    byte[] buf = new byte[4096];
    int bytesRead;

    while ((bytesRead = inStream.Read(buf, 04096)) 0)
      outStream.Write(buf, 0, bytesRead);

    outStream.Flush();
    outStream.Close();
    inStream.Close();

  }
}
15.10.File Byte Read Write
15.10.1.Use FileStream to read a file by byte array
15.10.2.Use FileStream to write a file by byte array
15.10.3.Reading from a stream one byte at a time
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