How to delete a Registry Key when uninstalling a software (windows application) vb.net 2005?

i developed a software creates 2 reg keys

now i want these files to be deleted when uninstall the software

how can i do that

i already have the code writtin with VB.NET but how can i do this and include it in uninstall nodeHow to delete a Registry Key when uninstalling a software (windows application) vb.net 2005?
If you use an installation program, it already does it. If you want to write your oen uninstallation program, there's an API you can call to delete keys.