lineSetEquipmentState (Windows Embedded Compact 7)
1/23/2013
Use the lineSetEquipmentState function to set the state of the radio transmitter and receiver.
LONG WINAPI lineSetEquipmentState( HLINE hLine, DWORD dwState );
- hLine
-
The line device handle. The line device handle must have been previously obtained by a call to lineOpen with the proper TAPI device ID specified and a device-specific extension version successfully negotiated with lineNegotiateExtVersion.
- dwState
-
Indicates the line state. See the Equipment States constants for possible values.
Returns a positive request identifier if the function is completed asynchronously, or a negative error number if an error occurs. The dwParam2 parameter of the corresponding LINE_REPLY message is zero if the function succeeds or it is a negative error number if an error occurs. The following are possible return values:
-
LINEERR_INVALLINEHANDLE
-
LINEERR_NOMEM
-
LINEERR_OPERATIONUNAVAIL
-
LINEERR_OPERATIONFAILED
-
LINEERR_RESOURCEUNAVAIL
-
LINEERR_INVALPOINTER
-
LINEERR_INVALPARAM
-
LINEERR_UNINITIALIZED
