Intermec CN2B Bedienungsanleitung PDF herunterladen (Seite 181)

Chapter 7 — Programming

CN2B Mobile Computer User’s Manual 163

RadioDisconnect()

Call this function when done using the 802.11 API to clean up a connec-

tion from a previous RadioConnect() call. If you do not call this function,

you may leave memory allocated.

Syntax UINT RadioDisconnect( );

Parameters None

Return Values ERROR_SUCCESS when successful, otherwise

ERR_CONNECT_FAILED

Remarks None

Definitions #ifdef DYNAMIC_LOADING

typedef UINT (*PFN_RadioDisconnect)();

#else

UINT RadioDisconnect();

#endif

RadioDisassociate()

Call this function to have the 802.11b/g radio disassociate from the current

service set. The radio then enters an “off” mode until it is woken again by

setting the Service Set Identifier (SSID). Also, the NDIS driver generates an

NDIS media disconnect event.

Syntax UINT RadioDisassociate( );

Parameters None

Return Values ERROR_SUCCESS on success, else ERR_CONNECT_FAILED

Remarks None

Definitions #ifdef DYNAMIC_LOADING

typedef UINT (*PFN_RadioDisassociate)();

#else

UINT RadioDisassociate();

#endif

Query Information Functions

GetAssociationStatus()

Call this to obtain the radio’s current association status with a service set.

Syntax UINT GetAssociationStatus( ULONG & );

Parameters NDIS_RADIO_ASSOCIATED Indicates the radio is associated with an access point

NDIS_RADIO_SCANNING Indicates radio is looking to associate with an access point

Return Values ERROR_SUCCESS when successful, ERR_QUERY_FAILED when the query failed, or

ERR_CONNECT_FAILED if a connection with the radio failed.

Remarks Data is only valid if the function returns ERROR_SUCCESS. Also, if ERROR_SUCCESS is

returned, your ULONG reference is populated by one of the parameters listed above.

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