AbortOnError BaudRate ByteSize DsrSensitivity DtrControl EofChar ErrorChar ErrorCharReplace EvtChar InX NullStrip OutX OutxCtsFlow OutxDsrFlow Parity ParityCheck RtsControl StopBits TXContinueOnXoff XoffChar XoffLim XonChar XonLim

XoffLim unsigned short XoffLim Specifies the maximum number of bytes allowed in the input buffer before the XOFF character is sent. The maximum number of bytes allowed is calculated by subtracting this value from the size, in bytes, of the input buffer.