1 files changed, 80 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.WinRT/PageRenderer.cs b/Xamarin.Forms.Platform.WinRT/PageRenderer.cs
new file mode 100644
index 00000000..d33ff028
--- /dev/null
+++ b/Xamarin.Forms.Platform.WinRT/PageRenderer.cs
@@ -0,0 +1,80 @@
+using System.Collections.ObjectModel;
+using Windows.UI.Xaml;
+
+#if WINDOWS_UWP
+
+namespace Xamarin.Forms.Platform.UWP
+#else
+
+namespace Xamarin.Forms.Platform.WinRT
+#endif
+{
+	public class PageRenderer : VisualElementRenderer<Page, FrameworkElement>
+	{
+		bool _disposed;
+
+		bool _loaded;
+
+		protected override void Dispose(bool disposing)
+		{
+			if (!disposing || _disposed)
+				return;
+
+			_disposed = true;
+
+			if (Element != null)
+			{
+				ReadOnlyCollection<Element> children = Element.LogicalChildren;
+				for (var i = 0; i < children.Count; i++)
+				{
+					var visualChild = children[i] as VisualElement;
+					visualChild?.Cleanup();
+				}
+				Element?.SendDisappearing();
+			}
+
+			base.Dispose();
+		}
+
+		protected override void OnElementChanged(ElementChangedEventArgs<Page> e)
+		{
+			base.OnElementChanged(e);
+
+			if (e.OldElement != null)
+			{
+				e.OldElement.SendDisappearing();
+			}
+
+			if (e.NewElement != null)
+			{
+				if (e.OldElement == null)
+				{
+					Loaded += OnLoaded;
+					Unloaded += OnUnloaded;
+
+					Tracker = new BackgroundTracker<FrameworkElement>(BackgroundProperty);
+				}
+
+				if (_loaded)
+					e.NewElement.SendAppearing();
+			}
+		}
+
+		void OnLoaded(object sender, RoutedEventArgs args)
+		{
+			var carouselPage = Element?.Parent as CarouselPage;
+			if (carouselPage != null && carouselPage.Children[0] != Element)
+			{
+				return;
+			}
+			_loaded = true;
+			Element?.SendAppearing();
+		}
+
+		void OnUnloaded(object sender, RoutedEventArgs args)
+		{
+			_loaded = false;
+			Element?.SendDisappearing();
+		}
+	}
+}
+\ No newline at end of file