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IsPwrHibernateAllowed function

[IsPwrHibernateAllowed is available for use in the operating systems specified in the Requirements section. It may be altered or unavailable in subsequent versions. Applications written for Windows Vista and later should use GetPwrCapabilities instead.]

Determines whether the computer supports hibernation.

Syntax


BOOLEAN WINAPI IsPwrHibernateAllowed(void);

Parameters

This function has no parameters.

Return value

If the computer supports hibernation (power state S4) and the file Hiberfil.sys is present on the system, the function returns TRUE. Otherwise, the function returns FALSE.

Remarks

This information is also available through the CallNtPowerInformation function. The value is returned in the SystemS4 member of the SYSTEM_POWER_CAPABILITIES structure.

For more information on using PowrProf.h, see Power Schemes.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

PowrProf.h

Library

PowrProf.lib

DLL

PowrProf.dll

See also

Power Management Functions
CallNtPowerInformation
SYSTEM_POWER_CAPABILITIES

 

 

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