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[Sample of June 1st] Download files from FTP server

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Sample Download: https://code.msdn.microsoft.com/CSFTPDownload-b0e10a4b  

Developed by Ruiz Yi, the sample demonstrates how to list subdirectories and files of a folder on a FTP server and download all of them.

The operations includes

1. List subdirectories and files of a folder on the FTP server.
  
    When set the Method property of an FtpWebRequest to  WebRequestMethods.Ftp.ListDirectoryDetails(the FTP LIST protocol method to get a detailed listing of the files on an FTP server), the response of server will contain many records of information, and each record represents a file or a directory.   Depended on the FTP Directory Listing Style of the server, the record is like

   1. MSDOS
      1.1. Directory
           12-13-10  12:41PM  <DIR>  Folder A
      1.2. File
           12-13-10  12:41PM  [Size] File B 
          
     NOTE: The date segment is like "12-13-10" instead of "12-13-2010" if Four-digit years is not checked in IIS or other FTP servers..
         
   2. UNIX
      2.1. Directory
           drwxrwxrwx 1 owner group 0 Dec 1 12:00 Folder A
      2.2. File
           -rwxrwxrwx 1 owner group [Size] Dec 1 12:00 File B
   
      NOTE: The date segment does not contain year.

2. Download a file on the FTP server.
 
  To download a file, create a FtpWebRequest and set the Method property to  WebRequestMethods.Ftp.DownloadFile.

For detailed introduction of the sample, please read the documentation at https://code.msdn.microsoft.com/CSFTPDownload-b0e10a4b

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