pub unsafe extern "system" fn PowerReadPossibleValue(
    rootpowerkey: HKEY,
    subgroupofpowersettingsguid: *const GUID,
    powersettingguid: *const GUID,
    type: *mut u32,
    possiblesettingindex: u32,
    buffer: *mut u8,
    buffersize: *mut u32
) -> WIN32_ERROR
Expand description

Required features: "Win32_Foundation", "Win32_System_Registry"