Function PowerReadPossibleValue
pub unsafe fn PowerReadPossibleValue(
rootpowerkey: Option<HKEY>,
subgroupofpowersettingsguid: Option<*const GUID>,
powersettingguid: Option<*const GUID>,
type: Option<*mut u32>,
possiblesettingindex: u32,
buffer: Option<*mut u8>,
buffersize: *mut u32,
) -> WIN32_ERROR