Anyone using VB6 or VB.Net may want to take a peek
at this. http://www.softwire.com/index.html

No affiliation with them. I've used SoftWire to create a ton
of VB applications. It includes an o-scope, data-logging,
digital & analog meters, strip charts, and tons of additional
activex controls.

Here's the link to the VB6 version.
http://www.softwire.com/swdownload/softwiredownload.htm

I'm not sure why they're giving it away, but it's awesome
software.