Visual Basic .Net might not be the coolest programming language to know, but it remains popular and has now reached its highest position on the Tiobe index of top programming languages.

Since their introduction in 2002, Microsoft's pair of .NET programming languages, C# and Visual Basic.NET, have been close siblings. Although they look very different—one uses C-style braces ...

So I'm trying to detect through Visual Basic 6.0 when a voltage change occurs on one of the pins of the serial/parallel port. The whole thing is pretty simple; no data transfer/handshaking/etc ...