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SerialPort.BreakState Property

Gets or sets the break signal state.

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

[BrowsableAttribute(false)]
public bool BreakState { get; set; }

Property Value

Type: System.Boolean
true if the port is in a break state; otherwise, false.

ExceptionCondition
IOException

The port is in an invalid state.

- or -

An attempt to set the state of the underlying port failed. For example, the parameters passed from this SerialPort object were invalid.

InvalidOperationException

The stream is closed. This can occur because the Open method has not been called or the Close method has been called.

The break signal state occurs when a transmission is suspended and the line is placed in a break state (all low, no stop bit) until released. To enter a break state, set this property to true. If the port is already in a break state, setting this property again to true does not result in an exception. It is not possible to write to the SerialPort object while BreakState is true.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC

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

.NET Framework

Supported in: 3.5, 3.0, 2.0

.NET Compact Framework

Supported in: 3.5, 2.0

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