| Port operation |
|---|
| OnBreak | Break flag changed. |
| OnClose | The port has been closed by serial application. |
| OnOpen | The port has been opened by third-party serial application. |
| OnOpenBeforeAttach | The port has been opened by third-party serial application before your program calls Attach method. |
| OnPurge | Serial application purged all data in input and output queues. |
| OnQueryOpen | This event fires when third-party serial application tries to open virtual serial port. |
| OnRxChar | The data has been written to the port. |
| Port settings |
|---|
| OnBaudRate | Baudrate communications parameter has been set. |
| OnDataBits | DataBits communications parameter has been set. |
| OnParity | Parity communications parameter has been set. |
| OnStopBits | StopBits communications parameter has been set. |
| OnTimeouts | Timeouts value has been set. |
| Signals |
|---|
| OnDtr | DTR signal has been changed. |
| OnRts | RTS signal has been changed. |
| Flow control |
|---|
| OnBreakChar | BREAK character has been set. |
| OnEofChar | EOF character has been set. |
| OnErrorChar | ERROR character has been set. |
| OnEvtChar | EVENT character has been set. |
| OnXoffChar | XOFF character has been set. |
| OnXoffLim | XOFFLIM value has been set. |
| OnXonChar | XON character has been set. |
| OnXonLim | XONLIM value has been set. |
| Extended flow control |
|---|
| OnAbortOnError | Value of fAbortOnError member of DCB structure changed. |
| OnDsrSensitivity | Value of fDsrSensitivity member of DCB structure changed. |
| OnDtrControl | Value of fDtrControl member of DCB structure changed. |
| OnInX | Value of fInX member of DCB structure changed. |
| OnNull | Value of fNull member of DCB structure changed. |
| OnOutX | Value of fOutX member of DCB structure changed. |
| OnOutxCtsFlow | Value of fOutxCtsFlow member of DCB structure changed. |
| OnOutxDsrFlow | Value of fOutxDsrFlow member of DCB structure changed. |
| OnRtsControl | Value of fRtsControl member of DCB structure changed. |
| OnTXContinueOnXoff | Value of fTXContinueOnXoff member of DCB structure changed. |
| OnUseErrorChar | Value of fErrorChar member of DCB structure changed. |