private void Login()
 {
     if (LoginService.CanLogin(MailAddress, PassWord))
     {
         LoginSuccesEvent?.Invoke(this, EventArgs.Empty);
     }
     else
     {
         LoginFailedEvent?.Invoke(this, EventArgs.Empty);
     }
 }
 public bool CanLogin()
 {
     return(LoginService.CanLogin(MailAddress, PassWord));
 }