The SetRING method sets or clears RING signal on virtual serial port.


BOOL SetRING(

      BOOL On     // Set or clear RING signal

);

 

Parameters:

On [in] : Determines setting or clearance RING signal of a virtual serial port. This parameter can be any of the following values:

ValueMeaning
TRUESet the RING signal
FALSEClear the RING signal

 

Return Values : If the function succeeds, the return value is TRUE. If the RING signal was not set/cleared the return value is FALSE.

Tip: See also: SetCTS method, SetDCD method, SetDSR method