private void UsartSendMessage(byte[] data, int offset, int count)
{
if (Serial != null)
{
Serial.write(data, offset, count);
}
else
{
MessageBox.Show("请确保串口已经成功打开，再发送数据！");
}
}
private void btn_test_Click(object sender, EventArgs e)
{
if (Serial != null)
{
Serial.write("23456789");
}
else
{
MessageBox.Show("Please open a SerialPort in the first!");
}
}
