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ActiveSocket Toolkit Add network capabilities to any Windows or .NET application

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Visual Basic 5.x/6.x FTP Client Sample Source Code

ActiveSocket provides an easy-to-use development interface to a variety of IP protocols. By using ActiveSocket, you can very easily create or enhance applications with network features.

ActiveSocket features the following: ICMP, HTTP and HTTPs with support for proxy servers and secure web sites, Telnet, NTP time protocol, RSH remote shell script interface, SNMP (Simple Network Management Protcol), SNMP Traps, Sockets, WOL (Wake-On-LAN), and more.

ActiveSocket can be well integrated into ASP environments. This document describes how the ActiveSocket FtpServer object can be integrated into Visual Basic 5.x/6.x projects.

The most important functions of the FtpServer object are:

  • Connect - connect to the (remote) FTP server on port 21 or any alternate port;
  • Disconnect - to diconnect after a connect call;
  • GetCurrentDir - retrieve the current directory;
  • ChangeDir - change the current directory;
  • CreateDir - create a new directory;
  • RenameDir - rename a directory;
  • DeleteDir - delete a directory;
  • FindFile - find a specific file in the current directory;
  • FindFirstFile - iterate over all files in the current directory; find the first file;
  • FindNextFile - iterate over all files in the current directory; find the next file;
  • RenameFile - rename a file in the current directory;
  • DeleteFile - delete a file in the current directory;
  • GetFile - get (download) a file, either using binary transfer or ASCII transfer;
  • PutFile - put (upload) a file, either using binary transfer or ASCII transfer;

Step 1: Download and install the ActiveSocket Toolkit

Download the ActiveSocket Toolkit from the ActiveXperts Download Site and start the installation. The installation guides you through the installation process.

Step 2: Create a new Visual Basic project

Launch 'Microsoft Visual Basic' from the Start menu, and choose 'New' from the 'File Menu'. The 'New Project' dialog appears.
Select 'Standard Exe' and click 'OK':

(Click on the picture to enlarge)

Step 3: Refer to the ActiveSocket Library and create the objects

A new Project is created, with a blank form.

First, you must add a reference to ActiveSocket in the project to be able to use the object. To do so, choose 'References...' from the 'Project' menu. In the 'References' dialog that pops up, enable the 'ActiveSocket 2.4 Type Library' reference as shown in the following picture:

Visual Basic

(Click on the picture to enlarge)

Click 'OK' to close the 'References...' dialog.

Then, select the Project form and choose 'View Code' from the context menu:

Visual Basic

(Click on the picture to enlarge)

On top of your code, declare the following object:

Public objFtpServer As ASOCKETLib.FtpServer

Step 4: Create the object

From the Code window, select 'Form'. The Private Sub 'Form_Load()' will be displayed now. In the 'Form Load' function, create the object in the following way: 

Set objFtpServer = CreateObject("ActiveXperts.FtpServer")