C#_Form Close ( Event )_Serial Port Close

Ex)

 

/* Serial Port */
SerialPort sp = new SerialPort();

 

/* Form Closed Event */
private void frmMain_FormClosed(object sender, FormClosedEventArgs e)
{
    try
    {
        /* 현재 열려 있으면 */
        if (sp.IsOpen)
        {
            sp.Close();

            cboPortName.Enabled = true;
        }
    }
    catch (Exception exError)
    {
        msg.WriteMessage(exError.Message, txtMessage);
    }
}

 

/* Form Closing Event */
private void frmMain_FormClosing(object sender, FormClosingEventArgs e)
{
    if (MessageBox.Show("종료하시겠습니까?", "질문", MessageBoxButtons.YesNo) == DialogResult.No)
    {
        e.Cancel = true;
    }
}