devquery.h header

This header is used by Device and Driver Installation Reference. For more information, see:

• Device and Driver Installation Reference

devquery.h contains the following programming interfaces:

Functions

DevCloseObjectQuery Closes a device query handle.
DevCreateObjectQuery Creates a device query to retrieve properties based on the specified query parameters.
DevCreateObjectQueryEx Creates a device query to retrieve properties based on the specified query parameters and extended parameters.
DevCreateObjectQueryFromId Creates a device query to retrieve properties based on the specified query parameters and object ID.
DevCreateObjectQueryFromIdEx Creates a device query to retrieve properties based on the specified query parameters, extended parameters, and object ID.
DevCreateObjectQueryFromIds Creates a device query to retrieve properties based on the specified query parameters and a list of object IDs.
DevCreateObjectQueryFromIdsEx Creates a device query to retrieve properties based on the specified query parameters, extended parameters, and a list of object IDs.
DevFindProperty Finds the DEVPROPERTY that corresponds to a particular property within an array of DEVPROPERTY structures.
DevFreeObjectProperties Frees DEVPROPERTY structures allocated by calls to DevGetObjectProperties or DevGetObjectPropertiesEx.
DevFreeObjects Frees DEV_OBJECT structures allocated by a call to DevGetObjects or DevGetObjectsEx.
DevGetObjectProperties Synchronously retrieve a set of properties for a specified object.
DevGetObjectPropertiesEx Synchronously retrieve a set of properties for a specified object optionally based on the specified extended parameters.
DevGetObjects Synchronously retrieves a set of DEV_OBJECT structures based on the supplied requested properties and filter criteria.
DevGetObjectsEx Synchronously retrieves a set of DEV_OBJECT structures based on the supplied requested properties, extended parameters, and filter criteria.

Callback functions

PDEV_QUERY_RESULT_CALLBACK The function prototype required of callback functions that will receive DevQuery query results.