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SerialPort Constructor (String, Int32, Parity, Int32, StopBits)

Initializes a new instance of the SerialPort class using the specified port name, baud rate, parity bit, data bits, and stop bit.

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

public SerialPort(
	string portName,
	int baudRate,
	Parity parity,
	int dataBits,
	StopBits stopBits


Type: System.String
The port to use (for example, COM1).
Type: System.Int32
The baud rate.
Type: System.IO.Ports.Parity
One of the Parity values.
Type: System.Int32
The data bits value.
Type: System.IO.Ports.StopBits
One of the StopBits values.


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, the baud rate, the parity bit, data bits, and stop bit.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.