#pragma warning disable 1998 // Async required for Windows UWP support for multiple views
private async void RegionManager_RegionCreated(IRegionManager sender, IApplicationRegion e)
#pragma warning restore 1998
{
#if WINDOWS_UWP
var isPrimary = RegionManager.IsPrimaryRegion(e);
var newView = isPrimary
? CoreApplication.MainView
: CoreApplication.CreateNewView();
var newViewId = 0;
var context = new UniversalUIContext(newView.Dispatcher);
e.RegisterForUIAccess(context);
await newView.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
var frame = new Frame();
var region = e;
var hasStates = region as IHasStates;
var sm = (region as IHasStates)?.StateManager;
if (sm != null)
{
var groups = sm.StateGroups;
var inotifier = typeof(INotifyStateChanged<>);
foreach (var stateGroup in groups)
{
var groupNotifier = inotifier.MakeGenericType(stateGroup.Key);
if (stateGroup.Value.GetType().GetTypeInfo().ImplementedInterfaces.Contains(groupNotifier))
{
var fnt = typeof(FrameNavigation<>).MakeGenericType(stateGroup.Key);
var fn = Activator.CreateInstance(fnt, frame, stateGroup.Value);
}
}
}
#if WINDOWS_UWP
frame.Navigated += Frame_Navigated;
#endif
//var interfaces = region.GetType().GetInterfaces();
//foreach (var it in interfaces)
//{
// if (it.IsConstructedGenericType &&
// it.GetGenericTypeDefinition() == typeof(IHasViewModelStateManager<,>))
// {
// var args = it.GenericTypeArguments;
// var fnt = typeof (FrameNavigation<,>).MakeGenericType(args);
// var fn = Activator.CreateInstance(fnt, frame, region);//, string.Empty);
// }
//}
Window.Current.Content = frame;
region.CloseRegion += Region_CloseRegion;
if (hasStates != null)
{
hasStates.StateManager.GoToPreviousStateIsBlockedChanged +=
StateManager_GoToPreviousStateIsBlockedChanged;
}
Window.Current.Activated += Current_Activated;
Window.Current.Activate();
newViewId = ApplicationView.GetForCurrentView().Id;
RegionWindows[region.RegionId] = Window.Current.CoreWindow;
if (isPrimary)
{
region.Startup(sender as IRegionManager);
}
else {
Task.Run(async () => await region.Startup(sender as IRegionManager));
}
});
if (!isPrimary)
{
var viewShown = await ApplicationViewSwitcher.TryShowAsStandaloneAsync(newViewId);
Debug.WriteLine(viewShown);
}
#endif
}
private void RegionManager_RegionIsClosing(IRegionManager sender, IApplicationRegion e)
{
var view = RegionWindows.SafeValue<string, CoreWindow, CoreWindow>(e.RegionId);
view.Close();
}