OnOpenClose Event in Virtual Serial Port ActiveX Control

The OnOpenClose event occurs when other application opens or closes virtual serial port.

OnOpenClose(
  	BOOL Opened 	// Port state
);

Parameters:

  • Opened [out] : Determines the state change of virtual serial port. This parameter can be any of the following values:
    ValueMeaning
    TRUEPort was opened
    FALSEPort was closed