private void RegisterHandlers()
{
_handlerTokenDictionary.Add(HandlerType.NavigationComplete, _webView2WebView.RegisterNavigationCompleted(OnNavigationCompleted));
_handlerTokenDictionary.Add(HandlerType.NavigationStarting, _webView2WebView.RegisterNavigationStarting(OnNavigationStarting));
_handlerTokenDictionary.Add(HandlerType.ZoomFactorChanged, _webView2WebView.RegisterZoomFactorChanged(OnZoomFactorChanged));
_handlerTokenDictionary.Add(HandlerType.WebMessageReceived, _webView2WebView.RegisterWebMessageReceived(OnWebMessageRecieved));
_handlerTokenDictionary.Add(HandlerType.DocumentStateChanged, _webView2WebView.RegisterDocumentStateChanged(OnDocumentStateChanged));
_handlerTokenDictionary.Add(HandlerType.LostFocus, _webView2WebView.RegisterLostFocus(OnBrowserLostFocus));
_handlerTokenDictionary.Add(HandlerType.FrameNavigationStarting, _webView2WebView.RegisterFrameNavigationStarting(OnFrameNavigationStarting));
_handlerTokenDictionary.Add(HandlerType.MoveFocusRequested, _webView2WebView.RegisterMoveFocusRequested(OnMoveFocusRequested));
_handlerTokenDictionary.Add(HandlerType.GotFocus, _webView2WebView.RegisterGotFocus(OnBrowserGotFocus));
_handlerTokenDictionary.Add(HandlerType.WebResourceRequested, _webView2WebView.RegisterWebResourceRequested(OnWebResourceRequested));
_handlerTokenDictionary.Add(HandlerType.ScriptDialogOpening, _webView2WebView.RegisterScriptDialogOpening(OnScriptDialogOpening));
_handlerTokenDictionary.Add(HandlerType.PermissionRequested, _webView2WebView.RegisterPermissionRequested(OnPermissionRequested));
_handlerTokenDictionary.Add(HandlerType.ProcessFailed, _webView2WebView.RegisterProcessFailed(OnProcessFailed));
_handlerTokenDictionary.Add(HandlerType.TitleChanged, _webView2WebView.RegisterDocumentTitledChanged(OnDocumentTitleChanged));
_handlerTokenDictionary.Add(HandlerType.NewWindow, _webView2WebView.RegisterNewWindowRequested(OnNewWindowRequested));
_handlerTokenDictionary.Add(HandlerType.AcceleratorKeyPressed, _webView2WebView.RegisterAcceleratorKeyPressed(OnAcceleratorKeyPressed));
_handlerTokenDictionary.Add(HandlerType.FullScreenElement, _webView2WebView.RegisterContainsFullScreenElementChanged(OnContainsFullScreenElementChanged));
_handlersRegistered = true;
}