protected virtual async void RequestNavigation(string url)
#endif
{
if (NavigationRequested != null)
{
var eventArgs = new NavigationRequestEventArgs(url);
NavigationRequested(this, eventArgs);
if (eventArgs.Cancel) return;
}
if (!string.IsNullOrEmpty(url))
{
#if WINDOWS_PHONE
WebBrowserTask task = new WebBrowserTask();
task.Uri = new Uri(url);
task.Show();
#elif SILVERLIGHT
HtmlPage.Window.Navigate(new Uri(url), "_blank");
#elif NETFX_CORE
await Launcher.LaunchUriAsync(new Uri(url));
#endif
}
}
void controller_NavigationRequest(object sender, NavigationRequestEventArgs e)
{
RequestNavigation(e.Url);
}