IsPwrHibernateAllowed function (powrprof.h)
[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 IsPwrHibernateAllowed();
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
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | powrprof.h |
| Library | PowrProf.lib |
| DLL | PowrProf.dll |