ComponentPro UltimateFtp

      AppendFile(Stream, String, Int64, Int64) Method

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      Appends the content of the data stream to the file on the remote FTP server.


      public long AppendFile(
         Stream sourceStream, 
         string remotePath, 
         long localOffset, 
         long length


      The data stream to transfer.
      The path of the remote file. This can either be a relative or absolute path, and must not point to a directory.
      The starting offset in the local file.
      The number of bytes to transfer or -1 to transfer the whole stream.

      Return Value

      The number of bytes transferred.


      Shows how to use AppendFile method to append the content of the local file to the file on the server.

      using System;
      using System.IO;
      using ComponentPro.Net;
      string server = "server";
      string userName = "user";
      string password = "password";
      string remoteFile = "";
      // Create a new Ftp instance. 
      using (Ftp client = new Ftp())
          // Connect to the FTP server. 
          // Authenticate. 
          client.Authenticate(userName, password);
          // Open file for reading. 
          FileStream fs = new FileStream(@"C:\temp\temp.dat", FileMode.Open);
          // Get remote file size. 
          long remoteSize = client.GetFileLength(remoteFile);
          // Move to the specified position. 
          fs.Seek(remoteSize, SeekOrigin.Begin);
          client.AppendFile(fs, remoteFile, remoteSize, -1);


      .NET Compact Framework.NET Compact Framework

      Supported version: 2.0, 3.5, and 3.9
      Assembly: ComponentPro.Ftp.CF (in ComponentPro.Ftp.CF.dll)

      .NET Framework.NET Framework

      Supported version: 2.0, 3.0, 3.5, 4.0, 4.5.x, 4.6.x and later
      Assembly: ComponentPro.Ftp (in ComponentPro.Ftp.dll)

      Portable Class Library for Windows Phone 8.1 and Windows 8.1 Store AppsPortable Class Library for Windows Phone 8.1 and Windows 8.1 Store Apps

      Supported version: 4.6.x and later
      Assembly: ComponentPro.Ftp.WinPcl (in ComponentPro.Ftp.WinPcl.dll)

      Universal Windows Platform (includes Windows 10 Mobile, Windows 10 Store Apps and Windows 10 IoT)Universal Windows Platform (includes Windows 10 Mobile, Windows 10 Store Apps and Windows 10 IoT)

      Supported version: 4.6.x and later
      Assembly: ComponentPro.Ftp.Uwp (in ComponentPro.Ftp.Uwp.dll)

      Xamarin AndroidXamarin Android

      Supported version: 2.3 and later
      Assembly: ComponentPro.Ftp.Android (in ComponentPro.Ftp.Android.dll)

      Xamarin MacXamarin Mac

      Supported version: 2.0.x and later
      Assembly: ComponentPro.Ftp.Mac (in ComponentPro.Ftp.Mac.dll)

      Xamarin iOSXamarin iOS

      Supported version: 5.1.x and later
      Assembly: ComponentPro.Ftp.iOS (in ComponentPro.Ftp.iOS.dll)

      See Also