/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached.
/// This parameter is typically used to configure the page.</param>
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
Current = await RelyingParty.DoDiscovery(e.Parameter as Config);
if (Current == null)
{
throw new ArgumentNullException();
}
State = Guid.NewGuid();
// launch authorization request in embedded browser
webView.Navigate(RelyingParty.NewAuthnRequest(Current, State));
}
