public MainFormPresenter(IMainForm mainForm, IMessageService messageService)
        {
            View            = mainForm;
            _messageService = messageService;
            _webCamera      = new WebCamera();
            _webCamera.StartShowCameraImage();
            // show web-camera image

            View.OnEmployeeChecked        += ViewOnEmployeeChecked;
            View.OnCheckFormClick         += View_CheckFormClick;
            View.OnReportsClick           += ViewOnReportsClick;
            View.OnSettingsClick          += ViewOnSettingsClick;
            View.OnFormShow               += ViewOnFormShow;
            View.OnFormClose              += ViewOnFormClose;
            View.OnEmployeesClick         += View_EmployeesClick;
            View.OnPostsClick             += View_PostsClick;
            _webCamera.CameraImageChanged += _webCamera_CameraImageChanged;
        }