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UID title description old-location tech.root ms.date keywords ms.keywords req.header req.include-header req.target-type req.target-min-winverclnt req.target-min-winversvr req.kmdf-ver req.umdf-ver req.ddi-compliance req.unicode-ansi req.idl req.max-support req.namespace req.assembly req.type-library req.lib req.dll req.irql targetos req.typenames f1_keywords topic_type api_type api_location api_name
NE:wdm._IO_CONTAINER_INFORMATION_CLASS
_IO_CONTAINER_INFORMATION_CLASS (wdm.h)
The IO_CONTAINER_INFORMATION_CLASS enumeration contains constants that indicate the classes of system information that a kernel-mode driver can request.
kernel\io_container_information_class.htm
kernel
04/30/2018
IO_CONTAINER_INFORMATION_CLASS enumeration
IO_CONTAINER_INFORMATION_CLASS, IO_CONTAINER_INFORMATION_CLASS enumeration [Kernel-Mode Driver Architecture], IoMaxContainerInformationClass, IoSessionStateInformation, _IO_CONTAINER_INFORMATION_CLASS, kernel.io_container_information_class, sysenum_f1533e86-b529-4ef0-b603-e57f4863b740.xml, wdm/IO_CONTAINER_INFORMATION_CLASS, wdm/IoMaxContainerInformationClass, wdm/IoSessionStateInformation
wdm.h
Wdm.h, Ntddk.h, Ntifs.h, Fltkernel.h
Windows
Supported in Windows 7 and later versions of the Windows operating system.
Windows
IO_CONTAINER_INFORMATION_CLASS
_IO_CONTAINER_INFORMATION_CLASS
wdm/_IO_CONTAINER_INFORMATION_CLASS
IO_CONTAINER_INFORMATION_CLASS
wdm/IO_CONTAINER_INFORMATION_CLASS
APIRef
kbSyntax
HeaderDef
wdm.h
_IO_CONTAINER_INFORMATION_CLASS
IO_CONTAINER_INFORMATION_CLASS

_IO_CONTAINER_INFORMATION_CLASS enumeration

-description

The IO_CONTAINER_INFORMATION_CLASS enumeration contains constants that indicate the classes of system information that a kernel-mode driver can request.

-enum-fields

-field IoSessionStateInformation

Session state information. A driver uses this enumeration constant to request information about a user session.

-field IoMaxContainerInformationClass

Specifies the maximum value in this enumeration type.

-remarks

To request system information, a driver calls the IoGetContainerInformation routine and sets this routine's InformationClass parameter to an IO_CONTAINER_NOTIFICATION_CLASS constant (other than IoMaxContainerInformationClass). Currently, IoGetContainerInformation supports only InformationClass = IoSessionStateInformation.

-see-also

IoGetContainerInformation