Member of the Serial Instr class.
This property specifies the flow control method used for both transmitting and receiving data. Valid values are: (0) Flow None, (1) Flow XON/XOFF, (2) Flow RTS/CTS, (3) Flow XON/XOFF and RTS/CTS, (4) Flow DTR/DSR, (5) Flow XON/XOFF and DTR/DSR. Certain values or combinations of values may not be supported by all serial ports and/or operating systems.
Valid values include the following:
| 0 | None |
| 1 | XON/XOFF |
| 2 | RTS/CTS |
| 3 | XON/XOFF &RTS/CTS |
| 4 | DTR/DSR |
| 5 | XON/XOFF &DTR/DSR |
The following table lists the characteristics of this property.
| Data Type | ![]() |
| Access, sessions use | Read/Write |