Skybound.Gecko.GeckoWebBrowser.UpdateCommandStatus C# (CSharp) Méthode

        void UpdateCommandStatus()
        {
            bool canGoBack = false;
            bool canGoForward = false;
            if (WebNav != null)
            {
                canGoBack = WebNav.GetCanGoBackAttribute();
                canGoForward = WebNav.GetCanGoForwardAttribute();
            }

            if (_CanGoBack != canGoBack)
            {
                _CanGoBack = canGoBack;
                OnCanGoBackChanged(EventArgs.Empty);
            }

            if (_CanGoForward != canGoForward)
            {
                _CanGoForward = canGoForward;
                OnCanGoForwardChanged(EventArgs.Empty);
            }
        }