AsyncFtpClient ftp = new AsyncFtpClient();

IAsyncResult result = ftp.BeginConnect( "ftp.server.com", null, null );



while( !result.IsCompleted )

  Application.DoEvents();



ftp.EndConnect( result );



result = ftp.BeginLogin( null, null );



while( !result.IsCompleted )

  Application.DoEvents();



ftp.EndLogin( result );



result = ftp.BeginGetDownloadStream( "test.txt", 0, null, null );



while( !result.IsCompleted )

  Application.DoEvents();



using( System.IO.Stream stream = ftp.EndGetDownloadStream( result ) )

{

  byte[] buffer = new byte[ 32768 ];

  int bytesRead = 0;



  // Loop until we have nothing more to read from the source stream.

  // We are assuming that the data contained in the file is text

  string data = string.Empty;

  while( ( bytesRead = stream.Read( buffer, 0, buffer.Length ) ) > 0 )

  {

    data += System.Text.Encoding.ASCII.GetString( buffer );

  }



  System.Diagnostics.Debug.WriteLine( data );

}