SerialPort.SerialPort(String, Int32) Constructor

Initializes a new instance of the SerialPort class using the specified port name and baud rate.

Namespace: System.IO.Ports
Assembly: System (in system.dll)

public SerialPort (
	string portName,
	int baudRate
public SerialPort (
	String portName, 
	int baudRate
public function SerialPort (
	portName : String, 
	baudRate : int
Not applicable.



The port to use (for example, COM1).


The baud rate.

Exception typeCondition


The specified port could not be found or opened.

Use this constructor to create a new instance of the SerialPort class when you want to specify the port name and the baud rate.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0

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