Windows Registry

[Devil Panther]

I've been reading on working with the registry from the msdn, but there are so many functions, can someone point me to the fucntions i need for basic work with the registry, creating, up-dating and deleting keys.


thank you very much.

[SMurf]

The one's you'll be looking for are RegCreateKeyEx for creating keys if they don't exist/opening them if they do, RegQueryValueEx for getting values, RegSetValueEx for setting them and RegDeleteKey for deleting keys. Use RegCloseKey to release handles after use. Note that there is a difference between deleting keys and deleting values.

I'd love to show you an example but my code CDs are locked up 100 miles away at university. I'm home for Christmas...

[Devil Panther]

what is the difference between RegOpenKeyEx and RegCreateKeyEx ?

i hope i'll make it before you get back to Uni.

[master5001]

RegOpenKeyEx will only open an existing key, whereas RegCreateKeyEx will open an existing or create a new one. You would use RegCreateKeyEx for something that you need to add to the registry. The other is for fetching an existing key.

[Devil Panther]

but can i use RegCreateKeyEx for both without any worries?

[master5001]

Actually, yes. As I said, it will either create it or open it depending on whether or not it already exists.