Properties
| Modem status signals | |
|---|---|
| Cts | State of CTS signal. |
| Dcd | State of DCD signal. |
| Dsr | State of DSR singal. |
| Ring | State of RING singal. |
| Line status | |
| Break | State of Break error. |
| Framing | State of Framing error. |
| Overrun | State of Overrun error. |
| Parity | State of Parity error. |
| Other Properties | |
| BitrateEmulation | State of bitrate emulation flag. If TRUE, the port emulates write data transfer speed in accordance with value of bitrate communications parameter. If FALSE, data is written to the port without any delays. FALSE by default. |
| InQueueBytes | Number of bytes in the data buffer available for reading. |
| Permanent | If TRUE, the port is created each time on system start. Otherwise, port is created manually by application via API. |
| PortName | Name of virtual serial port. This property should be set before calling Attach method or accessing any property. Changing it after Attach call leads to ftvspcErrorPortAttached exception. In case of this property is set in Design mode, virtual serial port will be created automatically on the start of application. Remarks: When FTVSPCPort Class created dynamically (not by placing on form) there is no need to call the Attach method after setting of this property. |
| PortType | Retrieves value of virtual serial port type. |
| QueryOpen | Allows to react on virtual serial port opening. So, application can allow or prohibit access to the serial port. |