private static void OnIsBrowserInitializedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { WebView owner = (WebView)d; bool oldValue = (bool)e.OldValue; bool newValue = (bool)e.NewValue; owner.OnIsBrowserInitializedChanged(oldValue, newValue); var handlers = owner.IsBrowserInitializedChanged; if (handlers != null) { handlers(owner, e); } }