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Categories / C# / File Stream

 

Copy from one file to another file

//     Copyright (c) Microsoft Corporation.  All rights reserved. // This file is best viewed using outline mode (Ctrl-M Ctrl-O) // // This program uses code hyperlinks available as part of the HyperAddin Visual Studio plug-in. // 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;         }     }; }