Using FtpWebRequest

 The following code example illustrates how to use the FtpWebRequest class to download a remote file from an FTP server.

using System;
using System.IO;
using System.Net;

...

// Register FtpWebRequest for the specified schema.
WebRequest.RegisterPrefix("ftp://", ComponentPro.Net.FtpWebRequest.Creator);

Console.WriteLine("Sending request...");

// Create a WebRequest for the specified URL. 
WebRequest request = WebRequest.Create("ftp://ftp.example.net/pub/myfile.zip");

// Send the WebRequest and waits for a response.
WebResponse response = request.GetResponse();

// Get remote file stream for downloading.
Stream remoteFileStream = response.GetResponseStream();

Stream localFileStream = File.Create("myfile.zip");

// Create a new buffer to download. 
byte[] buffer = new byte[1024];
int n;
do
{
    // Read data from the remote file stream. 
    n = remoteFileStream.Read(buffer, 0, buffer.Length);
    // Write to the local file stream. 
    localFileStream.Write(buffer, 0, n);
} while (n > 0);

Console.WriteLine("Response Received.");

localFileStream.Close();

// Release the resources of the response.
remoteFileStream.Close();

Imports System.IO
Imports System.Net

...

' Register FtpWebRequest for the specified schema.
WebRequest.RegisterPrefix("ftp://", ComponentPro.Net.FtpWebRequest.Creator)

Console.WriteLine("Sending request...")

' Create a WebRequest for the specified URL.  
Dim request As WebRequest = WebRequest.Create("ftp://ftp.example.net/pub/myfile.zip")

' Send the WebRequest and waits for a response. 
Dim response As WebResponse = request.GetResponse()

' Get remote file stream for downloading. 
Dim remoteFileStream As Stream = response.GetResponseStream()

Dim localFileStream As Stream = File.Create("myfile.zip")

' Create a new buffer to download. 
Dim buffer(1023) As Byte 
Dim n As Integer 
Do 
    ' Read data from the remote file stream. 
    n = remoteFileStream.Read(buffer, 0, buffer.Length)
    ' Write to the local file stream. 
    localFileStream.Write(buffer, 0, n)
Loop While n > 0

Console.WriteLine("Response Received.")

localFileStream.Close()

' Release the resources of the response.
remoteFileStream.Close()