C# MemoryStream CopyTo(Stream, Int32)

Description

MemoryStream CopyTo(Stream, Int32) Reads the bytes from the current stream and writes them to another stream, using a specified buffer size.

Syntax

MemoryStream.CopyTo(Stream, Int32) has the following syntax.

public void CopyTo(
  Stream destination,
  int bufferSize
)

Parameters

MemoryStream.CopyTo(Stream, Int32) has the following parameters.

• destination - The stream to which the contents of the current stream will be copied.
• bufferSize - The size of the buffer. This value must be greater than zero. The default size is 4096.

Returns

MemoryStream.CopyTo(Stream, Int32) method returns

Example

/* ww w.  j ava 2  s.co m*/
using System;
using System.IO;
public class MainClass{
  public static void Main(String[] argv){  
    MemoryStream destination = new MemoryStream();
    using (FileStream source = File.Open(@"c:\temp\data.dat",FileMode.Open))
    {
        Console.WriteLine("Source length: {0}", source.Length.ToString());
        source.CopyTo(destination,100);
    }
    Console.WriteLine("Destination length: {0}", destination.Length.ToString());
  }
}