Determine when running in a virtual machine

Question

Is there an official way for an application to determine if it is running in VMWare or Virtual PC (or whatever Microsoft is calling it now)? The code I have seen i

Answer 1

There is a WMI way posted here: http://blogs.msdn.com/virtual_pc_guy/archive/2005/10/27/484479.aspx

I've double checked in an XP image running on Virtual PC, and the value they're testing for is still the same. I won't guarantee what other VMs return here, though...

I've actually got a Delphi program I wrote a couple of years ago to get a list of and change the default printer using WMI, without requiring 3rd party components or anything like that. In case you're not used to working with WMI from Delphi, I can send you a copy so you have something to work off (it's not necessarily Unicode-compatible, though, but it shouldn't be too hard for me to upgrade it if need be).