// wdfchildlist.h

typedef enum _WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS {
  WdfChildListRetrieveDeviceUndefined = 0,
  WdfChildListRetrieveDeviceSuccess,
  WdfChildListRetrieveDeviceNotYetCreated,
  WdfChildListRetrieveDeviceNoSuchDevice
} WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS, *PWDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS;
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Windows Driver Kit DDI reference (ne-wdfchildlist-_wdf_child_list_retrieve_device_status)

_WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS enumeration

Description

[Applies to KMDF only]

The WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS enumeration defines device status values that the framework stores in a driver's WDF_CHILD_RETRIEVE_INFO structure.

Constants

`WdfChildListRetrieveDeviceUndefined:0`

`WdfChildListRetrieveDeviceSuccess`

The WdfChildListRetrieveNextDevice or WdfChildListRetrievePdo method successfully retrieved a child device, and a framework device object exists for the device.

`WdfChildListRetrieveDeviceNotYetCreated`

WdfChildListRetrieveNextDevice or WdfChildListRetrievePdo successfully retrieved a child device, but a framework device object has not been created for the device (because the framework has not called the driver's EvtChildListCreateDevice callback function).

`WdfChildListRetrieveDeviceNoSuchDevice`

WdfChildListRetrieveNextDevice or WdfChildListRetrievePdo was not able to retrieve a child device that matched the search criteria.

Remarks

The WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS enumeration is used to specify the Status member of a WDF_CHILD_RETRIEVE_INFO structure.

WDF_CHILD_LIST_RETRIEVE_DEVICE_STATUS - NtDoc