private void button2_Click(object sender, EventArgs e)
{string str;
str = richTextBox1.Text;
LCDserialPort.Write(str);}
private void LCDserialPort_DataRecieved(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{ richTextBox2.Text = "I get " + LCDserialPort.ReadExisting();}这个代码对吗?
对不对你输进去就知道了啊