Read registry key

The Add/Remove program in control panel lists all the program install on the computer. Where can I read this information on the registry ?

I want to write an application which scan the computer to know which software are installed on that computer.

Thanks.

Hi! Mr Bao, here is the path...

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall

Thank you Chris. It's what I want.

I also have been tasked with finding what software has been installed on a PC. I have found the unistall area of the registry and can check if an individual application is installed but what I would really like is a list of all the subkeys under this subkey how do I do that?

Thanks in advance

You can get the code from here for all subkeys:
http://www.vbworld.com/registry/registry3/index2.html

Regards.