SYSTEM_POWER_STATE enumeration

Defines values that are used to specify system power states.

Syntax


typedef enum _SYSTEM_POWER_STATE { 
  PowerSystemUnspecified  = 0,
  PowerSystemWorking      = 1,
  PowerSystemSleeping1    = 2,
  PowerSystemSleeping2    = 3,
  PowerSystemSleeping3    = 4,
  PowerSystemHibernate    = 5,
  PowerSystemShutdown     = 6,
  PowerSystemMaximum      = 7
} SYSTEM_POWER_STATE, *PSYSTEM_POWER_STATE;

Constants

PowerSystemUnspecified

A lid-open event does not wake the system.

PowerSystemWorking

Specifies system power state S0.

PowerSystemSleeping1

Specifies system power state S1.

PowerSystemSleeping2

Specifies system power state S2.

PowerSystemSleeping3

Specifies system power state S3.

PowerSystemHibernate

Specifies system power state S4 (HIBERNATE).

PowerSystemShutdown

Specifies system power state S5 (OFF).

PowerSystemMaximum

Specifies the maximum enumeration value.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

WinNT.h (include Windows.h)

See also

Power Management Enumeration Types
ADMINISTRATOR_POWER_POLICY
GLOBAL_MACHINE_POWER_POLICY
MACHINE_POWER_POLICY
SYSTEM_POWER_CAPABILITIES
SYSTEM_POWER_POLICY
USER_POWER_POLICY

 

 

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