DEVPKEY_Device_InstanceId

The DEVPKEY_Device_InstanceId device property represents the device instance identifier of a device.

Attribute Value

Property key

DEVPKEY_Device_InstanceId

Property-data-type identifier

DEVPROP_TYPE_STRING

Property access

Read-only access by installation applications and installers.

Localized?

No

Remarks

The value of DEVPKEY_Device_InstanceId is set internally by Windows during the installation of a device instance.

You can call CM_Get_DevNode_Property or SetupDiGetDeviceProperty to retrieve the value of DEVPKEY_Device_InstanceId for a device instance.

Windows Server 2003, Windows XP, and Windows 2000 support this property, but do not support the DEVPKEY_Device_InstanceId property key. For information about how to retrieve a device instance identifier on these earlier versions of Windows, see Retrieving a Device Instance Identifier.

Requirements

Version: Windows Vista and later versions of Windows Header: Devpkey.h (include Devpkey.h)

See also

SetupDiGetDeviceInstanceId

SetupDiGetDeviceProperty