Clear serial port receive buffer in C#

Question

Just want to know how do we clear the receive buffer of my serial port in C#. Seems like the data in the receive buffer just keep accumulating. For example, the flow of inc

Answer 1

you can use like

port.DiscardOutBuffer();
port.DiscardInBuffer();
port.Close();
port.DataReceived -= new SerialDataReceivedEventHandler(onDataReceived);
port = null;