Exemple #1
0
        private void ConnectButton_Click(object sender, EventArgs e)
        {
            PortSettings();
            try
            {
                //sp.DataReceived += new SerialDataReceivedEventHandler(DataReceivedHandler);
                //open serial port
                sp.Open();

                //set read time out to 500 ms
                // sp.ReadTimeout = 100;
            }
            catch (System.Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

            if (sp.IsOpen)
            {
                MessageBox.Show("serial port has open");
                connectSp = true;
                ConnectButton.Hide();
                DisconnectButton.Show();
                RefreshButton.Hide();
            }
            else
            {
                MessageBox.Show("faild to open serial port");
                connectSp = false;
                ConnectButton.Show();
                DisconnectButton.Hide();
                RefreshButton.Show();
            }
        }
Exemple #2
0
 private void DisconnectButton_Click(object sender, EventArgs e)
 {
     try
     {
         connectSp = false;
         sp.Close();
         ConnectButton.Show();
         DisconnectButton.Hide();
         RefreshButton.Show();
     }
     catch (System.Exception ex)
     {
         connectSp = true;
         MessageBox.Show("faild to close serial port");
         ConnectButton.Hide();
         DisconnectButton.Show();
         RefreshButton.Hide();
     }
 }