static extern bool GetSystemPowerStatus(out SYSTEM_POWER_STATUS

        private static extern Boolean GetSystemPowerStatus( SystemPowerStatus sps );

        public static SystemPowerStatus GetSystemPowerStatus()

            GetSystemPowerStatus( sps );

    private static extern Boolean GetSystemPowerStatus(out SystemPowerStatus sps);

      GetSystemPowerStatus(out SPS);

      GetSystemPowerStatus(out SPS);

public static extern int GetSystemPowerStatusEx2(SYSTEM_POWER_STATUS_EX2 pSystemPowerStatusEx2, [MarshalAs(UnmanagedType.U4), In] int dwLen, [MarshalAs(UnmanagedType.Bool), In] bool fUpdate);

Declare Function GetSystemPowerStatusEx2 Lib "Coredll.dll" (TODO) As TODO

if (GetSystemPowerStatusEx2(SystemPowerStatusEx2, Marshal.SizeOf(SystemPowerStatusEx2), true) > 0) {

public static extern int GetSystemPowerStatusEx2(ref SYSTEM_POWER_STATUS_EX2 pSystemPowerStatusEx2, [MarshalAs(UnmanagedType.U4), In] int dwLen, [MarshalAs(UnmanagedType.Bool), In] bool fUpdate);

Declare Function GetSystemPowerStatusEx2 Lib "Coredll.dll" (TODO) As TODO

if (GetSystemPowerStatusEx2(ref SystemPowerStatusEx2, Marshal.SizeOf(SystemPowerStatusEx2), true) > 0) {