[DllImport("PowrProf.dll", SetLastError=true)]
public static extern uint PowerReadValueUnitsSpecifier(IntPtr RootPowerKey, IntPtr SubGroupOfPowerSettingGuid, IntPtr PowerSettingGuid, IntPtr Buffer, ref UInt32 BufferSize);
Declare Function PowerReadValueUnitsSpecifier Lib "powrprof.dll" (TODO) As TODO