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serialport.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
private void DataReceivedHandler(object sender, SerialDataReceivedEventArgs e)
{
Thread.Sleep(200);
byte[] buffer=new byte[serialport.BytesToRead];
serialport.Read(buffer, 0, serialport.BytesToRead);
//接下来怎么处理buffer?我想把buffer显示在winform窗口的文本框里面,不知道大家有什么妙招
}