enum POWER_ACTION {
PowerActionNone = 0,/* 0x0 */
PowerActionReserved = 1,/* 0x1 */
PowerActionSleep = 2,/* 0x2 */
PowerActionHibernate = 3,/* 0x3 */
PowerActionShutdown = 4,/* 0x4 */
PowerActionShutdownReset = 5,/* 0x5 */
PowerActionShutdownOff = 6,/* 0x6 */
PowerActionWarmEject = 7,/* 0x7 */
PowerActionDisplayOff = 8,/* 0x8 */
};