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SerialPort.DiscardInBuffer Method

Discards data from the serial driver's receive buffer.

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

public void DiscardInBuffer ()
public void DiscardInBuffer ()
public function DiscardInBuffer ()
Not applicable.

Exception typeCondition

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.

This method is equivalent to the following Visual Basic 6.0 code: MSComm1.InBufferCount = 0.

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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