SerialPortExOpenCom 方法

public void OpenCom(
	string portName,
	int baudRate = 9600,
	Parity parity = Parity.None,
	int dataBits = 8,
	StopBits stopBits = StopBits.One
)

Public Sub OpenCom ( 
	portName As String,
	Optional baudRate As Integer = 9600,
	Optional parity As Parity = Parity.None,
	Optional dataBits As Integer = 8,
	Optional stopBits As StopBits = StopBits.One
)

member OpenCom : 
        portName : string * 
        ?baudRate : int * 
        ?parity : Parity * 
        ?dataBits : int * 
        ?stopBits : StopBits 
(* Defaults:
        let _baudRate = defaultArg baudRate 9600
        let _parity = defaultArg parity Parity.None
        let _dataBits = defaultArg dataBits 8
        let _stopBits = defaultArg stopBits StopBits.One
*)
-> unit