Sets the execution state for the current thread and manages the corresponding power requests that prevent the system from dimming the display or entering sleep.

Parameters

• NewFlags - a bit mask containing flags that
• PreviousFlags - a pointer to a variable that receives the previous execution state.

Supported flags

• ES_SYSTEM_REQUIRED - prevents the system from going to sleep.
• ES_DISPLAY_REQUIRED - forces the display to be on.
• ES_USER_PRESENT - this flag is not supported.
• ES_AWAYMODE_REQUIRED - enables the away mode that allows the computer appear to be sleeping while being active,
• ES_CONTINUOUS - the state should remain in effect until the next call that uses this flag.

Remarks

You can view the power requests created via this and other APIs via powercfg /requests.

Related Win32 API

• SetThreadExecutionState

See also

• NtPowerInformation