iSpyApplication.MainForm.ShowSettings C# (CSharp) Method

        public void ShowSettings(int tabindex, IWin32Window owner = null)
        {
            int pi = Conf.PreviewItems;
            var settings = new Settings { MainClass = this, InitialTab = tabindex };
            if (settings.ShowDialog(owner ?? this) == DialogResult.OK)
            {
                if (pi != Conf.PreviewItems)
                    NeedsMediaRefresh = Helper.Now;

                _pnlCameras.BackColor = Conf.MainColor.ToColor();
                notifyIcon1.Text = Conf.TrayIconText;

                if (!string.IsNullOrEmpty(Conf.Joystick.id))
                {
                    if (_jst == null)
                    {
                        _jst = new JoystickDevice();
                    }
                    _jst.ReleaseJoystick();
                    if (_tmrJoystick != null)
                    {
                        _tmrJoystick.Stop();
                        _tmrJoystick = null;
                    }

                    bool jsactive = false;
                    string[] sticks = _jst.FindJoysticks();
                    foreach (string js in sticks)
                    {
                        string[] nameid = js.Split('|');
                        if (nameid[1] == Conf.Joystick.id)
                        {
                            Guid g = Guid.Parse(nameid[1]);
                            jsactive = _jst.AcquireJoystick(g);
                        }
                    }

                    if (!jsactive)
                    {
                        _jst.ReleaseJoystick();
                        _jst = null;
                    }
                    else
                    {
                        _tmrJoystick = new Timer(100);
                        _tmrJoystick.Elapsed += TmrJoystickElapsed;
                        _tmrJoystick.Start();
                    }
                }
                else
                {
                    if (_tmrJoystick != null)
                    {
                        _tmrJoystick.Stop();
                        _tmrJoystick = null;
                    }

                    if (_jst != null)
                    {
                        _jst.ReleaseJoystick();
                        _jst = null;
                    }
                }
            }

            if (settings.ReloadResources)
            {
                RenderResources();
                LoadCommands();
            }
            AddressIPv4 = ""; //forces reload
            AddressIPv6 = "";
            settings.Dispose();
            SaveConfig();
            Refresh();
        }

 private void button1_Click(object sender, EventArgs e)
 {
     MainClass.ShowSettings(2, this);
     LoadMediaDirectories();
 }