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