//force quit form protected override void WndProc(ref Message msg) { const int WM_SYSCOMMAND = 0x0112; const int SC_CLOSE = 0xF060; if (msg.Msg == WM_SYSCOMMAND && ((int)msg.WParam == SC_CLOSE)) { usb.CloseCom(); isExit = true; } base.WndProc(ref msg); }
private void portButton_Click(object sender, EventArgs e) { if (portFxCheckBox.Checked) { if (!isOpen) { try { Boolean isOpenSuccess = usb.SetCom(portComboBox1.SelectedItem.ToString()) && usb.SetCom_two(portComboBox2.SelectedItem.ToString()) && usb2.SetCom(portComboBox3.SelectedItem.ToString()); if (isOpenSuccess) { isOpen = true; ToggleControls(true); portButton.Text = "Close"; sendCount = 1; } else { isOpen = false; usb.CloseCom(); usb2.CloseCom(); usb.CloseCom_two(); ToggleControls(false); portButton.Text = "Open"; // MetroMessageBox.Show(this, "\r\n\r\n" + "The equipment was unable to connect. Please check the USB connection", "Error", MessageBoxButtons.OK); } } catch { MetroMessageBox.Show(this, "\r\n\r\n" + "The equipment was unable to connect. Please check the USB connection", "Error", MessageBoxButtons.OK); // return; } } else { usb.CloseCom(); usb2.CloseCom(); usb.CloseCom_two(); ToggleControls(false); portButton.Text = "Open"; isOpen = false; } } else { if (!isOpen) { try { Boolean isOpenSuccess = usb.SetCom(portComboBox1.SelectedItem.ToString()) && usb.SetCom_two(portComboBox2.SelectedItem.ToString()); if (isOpenSuccess) { isOpen = true; ToggleControls(true); portButton.Text = "Close"; sendCount = 1; } else { timerDraw.Stop(); test_timer.Stop(); isOpen = false; usb.CloseCom(); usb.CloseCom_two(); ToggleControls(false); portButton.Text = "Open"; // MetroMessageBox.Show(this, "\r\n\r\n" + "The equipment was unable to connect. Please check the USB connection", "Error", MessageBoxButtons.OK); } } catch { MetroMessageBox.Show(this, "\r\n\r\n" + "The equipment was unable to connect. Please check the USB connection", "Error", MessageBoxButtons.OK); // return; } } else { timerDraw.Stop(); test_timer.Stop(); usb.CloseCom(); usb2.CloseCom(); usb.CloseCom_two(); ToggleControls(false); portButton.Text = "Open"; isOpen = false; } } }