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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:
property int ReceivedBytesThreshold {
	int get ();
	void set (int value);
}

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: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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