TSPI_lineSetLineDevStatus

The TSPI_lineSetLineDevStatus service provider sets the device status as indicated, sending appropriate LINE_LINEDEVSTATE messages to indicate the new status.

LONG TSPIAPI TSPI_lineSetLineDevStatus(
  DRV_REQUESTID dwRequestID,  
  HDRVLINE hdLine,         
  DWORD dwStatusToChange,  
  DWORD fStatus            
);
 

Parameters

dwRequestID

Identifier for reporting asynchronous function results.

hdLine

The service provider's handle to the line device.

dwStatusToChange

One or more of the LINEDEVSTATUSFLAGS_ values.

fStatus

TRUE (-1) to turn on the indicated status bit(s), FALSE (0) to turn off.

Return Values

Returns dwRequestID if the asynchronous operation starts; otherwise, the function returns one of these negative error values:

LINEERR_INVALLINESTATE, LINEERR_INVALPARAM, LINEERR_NOMEM, LINEERR_OPERATIONFAILED, LINEERR_RESOURCEUNAVAIL.

See Also

LINE_LINEDEVSTATE