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SerialPort.WriteLine Method

Writes the specified string and the NewLine value to the output buffer.

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

public void WriteLine (
	string text
)
public void WriteLine (
	String text
)
public function WriteLine (
	text : String
)
Not applicable.

Parameters

text

The string to write to the output buffer.

Exception typeCondition

ArgumentNullException

The str parameter is a null reference (Nothing in Visual Basic).

InvalidOperationException

The specified port is not open.

TimeoutException

The WriteLine method could not write to the stream.

If there are too many bytes in the input buffer and Handshake is set to XOnXOff then the SerialPort object may raise a TimeoutException while it waits for the device to be ready to accept more data.

The written output includes the NewLine string.

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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