In this tutorial I will cover how to perform file transfers between your PC and a web server.
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Networking Internet Programming
In this tutorial I will cover how to perform file transfers between your PC and a web server. The topics of web site management, dynamic generation of web pages, and control/script inclusion in web pages is covered in a different tutorial.
In the Professional and Enterprise Editions of VB are the two controls which provide Internet features - the Internet Transfer Control and the Web Browser Control. The Internet Transfer Control (ITC) provides both FTP and HTTP file transfer controls and is the subject of this tutorial - as is the use of the wininet.dll, which also provides file transfer capabilities that you can access from within your VB applications.
The wininet.dll file is simply a library of functions that you can use to do file transfers. It is not a part of VB6, but is installed along with the Microsoft Internet Explorer. This means you can safely assume that it is available on most PCs.
The reason for using the ITC is simplicity. The control provides a very straightforward, fairly simple interface to use in your VB programs. The down side is that the control is about 126K in size, increasing the size of the installation files your application users will have to download.
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