BTH_QUERY_SERVICE structure (ws2bth.h)

The BTH_QUERY_SERVICE structure is used to query a Bluetooth service.

Syntax

typedef struct _BTH_QUERY_SERVICE {
  ULONG             type;
  ULONG             serviceHandle;
  SdpQueryUuid      uuids[MAX_UUIDS_IN_QUERY];
  ULONG             numRange;
  SdpAttributeRange pRange[1];
} BTH_QUERY_SERVICE, *PBTH_QUERY_SERVICE, BTHNS_RESTRICTIONBLOB, *PBTHNS_RESTRICTIONBLOB;

Members

type

Type of service to perform. Choose from the following:

• SDP_SERVICE_SEARCH_REQUEST
• SDP_SERVICE_ATTRIBUTE_REQUEST
• SDP_SERVICE_SEARCH_ATTRIBUTE_REQUEST

serviceHandle

Service handle on which to query the attributes specified in the pRange member. Used only for attribute searches.

uuids[MAX_UUIDS_IN_QUERY]

UUIDs that a record must contain to match the search. Used for service and service attribute searches. When querying less than MAX_UUIDS_IN_QUERY UUIDs, set the SdpQueryUuid element immediately following the last valid UUID to all zeros. Used only for attribute and service attribute searches.

numRange

Number of elements in pRange. Used only for attribute and service attribute searches.

pRange[1]

Attribute values to retrieve for any matching records, in the form of an array of SdpAttributeRange structures. Attributes are defined in the Bluetooth specification. See Remarks.

Remarks

The pRange member is an open-ended array specifying a sparse set of attributes to return from the query. It is an application's responsibility to provide a nonoverlapping array that is sorted in ascending order of attribute ID, without duplicates.

See www.bluetooth.com for more information about the Bluetooth specification.

Requirements

See also

Bluetooth and WSALookupServiceBegin for Service Discovery

Bluetooth and WSAQUERYSET for Service Inquiry