Bug 59018 - ListView with RowHeight specified, contained in horizontal ScrollView, throws exception
Summary: ListView with RowHeight specified, contained in horizontal ScrollView, throws...
Alias: None
Product: Forms
Classification: Xamarin
Component: Windows ()
Version: 2.4.0
Hardware: PC Windows
: Normal major
Target Milestone: ---
Assignee: Bugzilla
Depends on:
Reported: 2017-08-24 16:15 UTC by John Hardman
Modified: 2017-08-24 20:17 UTC (History)
3 users (show)

Tags: ListView, ScrollView, RowHeight, UWP, ac
Is this bug a regression?: ---
Last known good build:

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Description John Hardman 2017-08-24 16:15:53 UTC
On UWP, a ListView contained in a horizontal ScrollView works as expected. However, specifying a RowHeight on the ListView results in the ScrollViewRenderer throwing an exception that blows the app away.

The same scenario works fine on other platforms.

The exception on UWP is:

Exception message = System.Runtime.InteropServices.COMException: Error HRESULT E_FAIL has been returned from a call to a COM component.
   at Windows.UI.Xaml.UIElement.Measure(Size availableSize)
   at Xamarin.Forms.Platform.UWP.VisualElementRenderer`2.MeasureOverride(Size availableSize)
   at Windows.UI.Xaml.UIElement.Measure(Size availableSize)
   at Xamarin.Forms.Platform.UWP.ScrollViewRenderer.MeasureOverride(Size availableSize)
   at Windows.UI.Xaml.UIElement.Measure(Size availableSize)
   at Xamarin.Forms.Platform.

This looks to be related to bug 52349 which was closed as invalid as ListViews are not supposed to be used in vertical ScrollViews. However, there should be no reason why a ListView could not be used in a horizontal ScrollView.

To reproduce, just pop the following into a ContentPage:

                List<Person> people = new List<Person>
                    new Person("Abigail", new DateTime(1975, 1, 15), Color.Aqua),
                    new Person("Bob", new DateTime(1976, 2, 20), Color.Black),
                    new Person("Cathy", new DateTime(1977, 3, 10), Color.Blue),
                    new Person("David", new DateTime(1978, 4, 25), Color.Fuschia),
                    new Person("Eugenie", new DateTime(1979, 5, 5), Color.Gray),
                    new Person("Freddie", new DateTime(1980, 6, 30), Color.Green),
                    new Person("Greta", new DateTime(1981, 7, 15), Color.Lime),
                    new Person("Harold", new DateTime(1982, 8, 10), Color.Maroon),
                    new Person("Irene", new DateTime(1983, 9, 25), Color.Navy),
                    new Person("Jonathan", new DateTime(1984, 10, 10), Color.Olive),
                    new Person("Kathy", new DateTime(1985, 11, 20), Color.Purple),
                    new Person("Larry", new DateTime(1986, 12, 5), Color.Red),
                    new Person("Monica", new DateTime(1975, 1, 5), Color.Silver),
                    new Person("Nick", new DateTime(1976, 2, 10), Color.Teal),
                    new Person("Olive", new DateTime(1977, 3, 20), Color.White),
                    new Person("Pendleton", new DateTime(1978, 4, 10), Color.Yellow),
                    new Person("Queenie", new DateTime(1979, 5, 15), Color.Aqua),
                    new Person("Rob", new DateTime(1980, 6, 30), Color.Blue),
                    new Person("Sally", new DateTime(1981, 7, 5), Color.Fuschia),
                    new Person("Timothy", new DateTime(1982, 8, 30), Color.Green),
                    new Person("Uma", new DateTime(1983, 9, 10), Color.Lime),
                    new Person("Victor", new DateTime(1984, 10, 20), Color.Maroon),
                    new Person("Wendy", new DateTime(1985, 11, 5), Color.Navy),
                    new Person("Xavier", new DateTime(1986, 12, 30), Color.Olive),
                    new Person("Yvonne", new DateTime(1987, 1, 10), Color.Purple),
                    new Person("Zachary", new DateTime(1988, 2, 5), Color.Red)

                ListView listView = new ListView
                    RowHeight = 200,
                    ItemsSource = people,
                    ItemTemplate = new DataTemplate(() =>
                        BoxView boxView = new BoxView
                        boxView.SetBinding(BoxView.ColorProperty, "FavoriteColor");
                        return new ViewCell
                            View = new StackLayout
                                Margin = 0,
                                Orientation = StackOrientation.Horizontal,
                                Children =

                this.Content = new ScrollView
                    Orientation = ScrollOrientation.Horizontal,
                    BackgroundColor = Color.Pink,
                    Content = listView,
Comment 1 Paul DiPietro [MSFT] 2017-08-24 20:17:17 UTC
I will set this to confirmed for now until we can get this further investigated; the issue is still apparent on the 2.4.1-nightly feed.