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SerialPort.ReceivedBytesThreshold Property

Gets or sets the number of bytes in the internal input buffer before a DataReceived event occurs.

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

[BrowsableAttribute(true)]
public int ReceivedBytesThreshold { get; set; }

Property Value

Type: System.Int32
The number of bytes in the internal input buffer before a DataReceived event is fired. The default is 1.

ExceptionCondition
ArgumentOutOfRangeException

The ReceivedBytesThreshold value is less than or equal to zero.

The DataReceived event is also raised if an Eof character is received, regardless of the number of bytes in the internal input buffer and the value of the ReceivedBytesThreshold property.

.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.

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