Public Sub Download()
        Const localFile As String = "c:\testdatei.xml"
        Const remoteFile As String = "Sub1/File1.html"

        Dim URI As String = "ftp://ftp.server.com/" & remoteFile
        Dim ftp As System.Net.FtpWebRequest = CType(System.Net.FtpWebRequest.Create(URI), System.Net.FtpWebRequest)
        ftp.Credentials = New System.Net.NetworkCredential("User", "Password")
        ftp.KeepAlive = False
        ftp.UseBinary = True
        ftp.Method = System.Net.WebRequestMethods.Ftp.DownloadFile
        ftp.UsePassive = True
        Using response As System.Net.FtpWebResponse = _
              CType(ftp.GetResponse, System.Net.FtpWebResponse)
            Using responseStream As IO.Stream = response.GetResponseStream
                Using fs As New IO.FileStream(localFile, IO.FileMode.Create)
                    Dim buffer(2047) As Byte
                    Dim read As Integer = 0
                    Do
                        read = responseStream.Read(buffer, 0, buffer.Length)
                        fs.Write(buffer, 0, read)
                    Loop Until read = 0 
                    responseStream.Close()
                    fs.Flush()
                    fs.Close()
                End Using
                responseStream.Close()
            End Using
            response.Close()
        End Using
    End Sub