private void button2_Click(object sender, EventArgs e)
{
string COM;
COM = comboBox1.Text;
if (COM.Equals(""))
{
MessageBox.Show("포트번호를 입력해주세요");
}
else
{
serialPort = new SerialPort("COM" + COM, 9600, Parity.None, 8, StopBits.One);
try
{
serialPort.Open();
}catch (IOException)
{
MessageBox.Show("Not Connect!");
return;
}
MessageBox.Show("Successfully Connect!");
serialPort.Close();
}
}