Copies an Stream into another Stream.

    
using System;
using System.Collections.Generic;
using System.Text;
using System.Collections.ObjectModel;
using System.IO;

namespace AntEater.Runtime.Tests.Services.Transformation
{
    /// <summary>
    /// Provides a set of Utilities.
    /// </summary>
    internal class Utilities
    {


        /// <summary>
        /// Copies an Stream into another Stream.
        /// </summary>
        /// <param name="from">From.</param>
        /// <param name="to">To.</param>
        /// <param name="buffersize">The buffersize.</param>
        /// <returns>The number of Bytes copied.</returns>
        public static long CopyStream(Stream from, Stream to, int buffersize) {
            byte[] buffer = new byte[buffersize];
            long totalBytesCopied = 0;
            int bytesRead = 0;

            bytesRead = from.Read(buffer, 0, buffersize);

            while(bytesRead > 0){
                to.Write(buffer, 0, bytesRead);
                totalBytesCopied += bytesRead;
                bytesRead = from.Read(buffer, 0, buffersize);
            }

            return totalBytesCopied;
        }


    }
}

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Copies an Stream into another Stream. : Stream Read Write « File Stream « C# / C Sharp

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