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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 TFTP 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: DNS, FTP, HTTP, HTTPs, ICMP Ping, IP-to-Country, MSN, NTP, RSH, SCP, SFTP, SNMP v1/v2c (Get, GetNext, Set), SNMP Traps, SNMP MIB, SSH, TCP, Telnet, TFTP, UDP, Telnet, Wake-On-LAN and more.

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

The most important functions of the TftpServer object are:

  • 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':

Visual Basic

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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

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

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

Visual Basic

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On top of your code, declare the following object:

Public objTftpServer As ASOCKETLib.TftpServer

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 objTftpServer = CreateObject("ActiveXperts.TftpServer")

Full Sample Code

There are TFTP samples included with the product. You can also find them on the ActiveXperts FTP site: ftp.activexperts-labs.com/samples/network-component.