private void CreateMirrorForm()
        {
            Screen[] screens = Screen.AllScreens;

            _mirroredForm               = new MirroredForm(this);
            _mirroredForm.WindowState   = FormWindowState.Normal;
            _mirroredForm.StartPosition = FormStartPosition.Manual;
            _mirroredForm.Location      = screens[_defaultMirrorIndex - 1].WorkingArea.Location;
            _mirroredForm.Size          = screens[_defaultMirrorIndex - 1].Bounds.Size;
        }
        public void StopMirroring()
        {
            try
            {
                if (_mirrorState.SelectedProcess?.ProcessName.ToLower() != "iexplore")
                {
                    Thread.Sleep(200);
                }

                timer1.Stop();
                _mirrorState.Active = false;
                _itemStop.Enabled   = false;

                _mirrorState.SelectedProcess = null;

                if (_mirroredForm == null)
                {
                    return;
                }

                if (_mirroredForm.InvokeRequired)
                {
                    _mirroredForm.Invoke((Action)(() =>
                    {
                        _mirroredForm.Close();
                        _mirroredForm = null;
                        notifyIcon1.Icon = Properties.Resources.notifiyicon;
                    }));
                }
                else
                {
                    _mirroredForm.Close();
                    _mirroredForm    = null;
                    notifyIcon1.Icon = Properties.Resources.notifiyicon;
                }



                //_pinBtnForm.Close();
                //CreatePinBtnForm();

                GC.Collect();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
                Application.Exit();
            }
        }