| ftvspcEventThirdPartyPortCreate | 
  0 | 
  Third party serial port has been created. ulValue contains pointer to FTVSPC_PORT structure containing COM port name and number. This value is valid inside event handler only. | 
 
 
  | ftvspcEventThirdPartyPortRemove | 
  1 | 
  Third party serial port has been removed. ulValue contains pointer to FTVSPC_PORT structure containing COM port name and number. This value is valid inside event handler only. | 
 
 
  | ftvspcEventPortCreate | 
  2 | 
  FabulaTech virtual serial port has been created. ulValue contains pointer to FTVSPC_PORT structure containing COM port name and number. This value is valid inside event handler only. | 
 
 
  | ftvspcEventPortRemove | 
  3 | 
  FabulaTech virtual serial port has been removed. ulValue contains pointer to FTVSPC_PORT structure containing COM port name and number. This value is valid inside event handler only. | 
 
 
  | ftvspcEventTrialExpired | 
  100 | 
  Trial period expired. If ulValue is NULL, trial period expired globally, otherwise it contains pointer to FTVSPC_PORT structure containing expired COM port name and number. This value is valid inside event handler only. | 
 
 
  | ftvspcEventPortLimitExceeded | 
  101 | 
  Number of open virtual serial ports exceeded (this event fires when some application opens extra virtual serial port). ulValue contains pointer to FTVSPC_PORT structure containing COM port name and number. This value is valid inside event handler only. | 
 
 
  | ftvspcEventLicenseQuotaExceeded | 
  102 | 
  Program has detected excess of allowed number of licenses in the network. Program is disabled now. ulValue - the number of licenses detected (Win32 only). |