Copy from one file to another file : File Util « File Stream « C# / C Sharp






  1. C# / C Sharp
  2. File Stream
  3. File Util

Copy from one file to another file

   
//     Copyright (c) Microsoft Corporation.  All rights reserved.
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//
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// It is available from http://www.codeplex.com/hyperAddin 
// 
using System;
using System.IO;
namespace Utilities
{
    static class StreamUtilities {
        public static void CopyFromFile(string fromFilePath, Stream toStream)
        {
            using (Stream fromStream = File.OpenRead(fromFilePath))
                CopyStream(fromStream, toStream);
        }

        public static void CopyToFile(Stream fromStream, string toFilePath)
        {
            using (Stream toStream = File.Create(toFilePath))
                CopyStream(fromStream, toStream);
        }

        /// <summary>
        /// CopyStream simply copies 'fromStream' to 'toStream'
        /// </summary>
        public static int CopyStream(Stream fromStream, Stream toStream)
        {
            byte[] buffer = new byte[8192];
            int totalBytes = 0;
            for (; ; )
            {
                int count = fromStream.Read(buffer, 0, buffer.Length);
                if (count == 0)
                    break;
                toStream.Write(buffer, 0, count);
                totalBytes += count;
            }
            return totalBytes;
        }
    };
}








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