private void btn_send_Click(object sender, EventArgs e) { if (this.cB_Hex.Checked == true) { Byte[] BSendTemp = new Byte[1]; //建立临时字节数组对象 BSendTemp[0] = Byte.Parse(this.tb_send.Text);//由文本框读入想要发送的数据 this.serialPort1.Writ