How to use Power Management Functions (PowerEnuimerate) to get power settings

Question

I need my application to read things like the amount of time the system will wait before shutting off the display, or going to sleep, or going into hibernate. As far as I ca

Answer 1

However the accepted answer is still valid, I want to point out there is a bug in it, causing it to enumerate all the default values instead of the actual values.

When reading AC Values it also requires for the sub group guid to be passed:

res = PowerReadACValue(IntPtr.Zero, activeGuidPtr, pSubGroup, ref settingGuid, ref type, ref temp, ref size);