The SetDSR method sets or clears DSR (data-set-ready) signal.
Parameters:
On [in] : Determines setting or clearance DSR signal of a virtual serial port. This parameter can be any of the following values:
Value | Meaning |
TRUE | Set the DSR signal |
FALSE | Clear the DSR signal |
Return Values : If the function succeeds, the return value is TRUE. If the DSR signal was not set/cleared the return value is FALSE.