Removed ItemsControl.MemberSelector.

It didn't work out.

Perspex.Controls/ItemsControl.cs

@@ -30,9 +30,6 @@ namespace Perspex.Controls
         public static readonly PerspexProperty<ItemsPanelTemplate> ItemsPanelProperty =
             PerspexProperty.Register<ItemsControl, ItemsPanelTemplate>("ItemsPanel", defaultValue: DefaultPanel);
 
-        public static readonly PerspexProperty<Func<object, object>> MemberSelectorProperty =
-            PerspexProperty.Register<ItemsControl, Func<object, object>>("MemberSelector");
-
         private ItemContainerGenerator itemContainerGenerator;
 
         private PerspexReadOnlyListView<IVisual, ILogical> logicalChildren = 
@@ -77,12 +74,6 @@ namespace Perspex.Controls
             set { this.SetValue(ItemsPanelProperty, value); }
         }
 
-        public Func<object, object> MemberSelector
-        {
-            get { return this.GetValue(MemberSelectorProperty); }
-            set { this.SetValue(MemberSelectorProperty, value); }
-        }
-
         IPerspexReadOnlyList<ILogical> ILogical.LogicalChildren
         {
             get

Perspex.Controls/Presenters/ItemsPresenter.cs

@@ -23,9 +23,6 @@ namespace Perspex.Controls.Presenters
         public static readonly PerspexProperty<ItemsPanelTemplate> ItemsPanelProperty =
             ItemsControl.ItemsPanelProperty.AddOwner<ItemsPresenter>();
 
-        public static readonly PerspexProperty<Func<object, object>> MemberSelectorProperty =
-            ItemsControl.MemberSelectorProperty.AddOwner<ItemsPresenter>();
-
         private bool createdPanel;
 
         private DataTemplate memberSelectorTemplate;
@@ -33,7 +30,6 @@ namespace Perspex.Controls.Presenters
         public ItemsPresenter()
         {
             this.GetObservableWithHistory(ItemsProperty).Subscribe(this.ItemsChanged);
-            this.GetObservable(MemberSelectorProperty).Subscribe(this.MemberSelectorChanged);
         }
 
         public ItemContainerGenerator ItemContainerGenerator
@@ -54,12 +50,6 @@ namespace Perspex.Controls.Presenters
             set { this.SetValue(ItemsPanelProperty, value); }
         }
 
-        public Func<object, object> MemberSelector
-        {
-            get { return this.GetValue(MemberSelectorProperty); }
-            set { this.SetValue(MemberSelectorProperty, value); }
-        }
-
         public Panel Panel
         {
             get;
@@ -166,24 +156,5 @@ namespace Perspex.Controls.Presenters
                 this.InvalidateMeasure();
             }
         }
-
-        private void MemberSelectorChanged(Func<object, object> selector)
-        {
-            if (this.memberSelectorTemplate != null)
-            {
-                this.DataTemplates.Remove(this.memberSelectorTemplate);
-                this.memberSelectorTemplate = null;
-            }
-
-            if (selector != null)
-            {
-                var templatedParent = this.TemplatedParent as Control;
-
-                this.memberSelectorTemplate = new DataTemplate(o => 
-                    templatedParent?.MaterializeDataTemplate(selector(o)) ??
-                    DataTemplate.Default.Build(selector(o)));
-                this.DataTemplates.Add(this.memberSelectorTemplate);
-            }
-        }
     }
 }

Perspex.Themes.Default/DeckStyle.cs

@@ -48,7 +48,6 @@ namespace Perspex.Themes.Default
                 Id = "itemsPresenter",
                 [~ItemsPresenter.ItemsProperty] = control[~Deck.ItemsProperty],
                 [~ItemsPresenter.ItemsPanelProperty] = control[~Deck.ItemsPanelProperty],
-                [~ItemsPresenter.MemberSelectorProperty] = control[~Deck.MemberSelectorProperty],
             };
         }
     }

Perspex.Themes.Default/ListBoxStyle.cs

@@ -45,7 +45,6 @@ namespace Perspex.Themes.Default
                         Id = "itemsPresenter",
                         [~ItemsPresenter.ItemsProperty] = control[~ListBox.ItemsProperty],
                         [~ItemsPresenter.ItemsPanelProperty] = control[~ListBox.ItemsPanelProperty],
-                        [~ItemsPresenter.MemberSelectorProperty] = control[~ListBox.MemberSelectorProperty],
                     }
                 }
             };

TestApplication/Program.cs

@@ -420,11 +420,6 @@ namespace TestApplication
                             SelectedIndex = 0,
                             MaxHeight = 300,
                         }),
-                        new Deck
-                        {
-                            Items = listBoxData,
-                            [!Deck.SelectedItemProperty] = listBox[!ListBox.SelectedItemProperty],
-                        },
                         new DropDown
                         {
                             Items = listBoxData,

Tests/Perspex.Controls.UnitTests/Presenters/ItemsPresenterTests.cs

@@ -72,32 +72,5 @@ namespace Perspex.Controls.UnitTests.Presenters
 
             Assert.Equal(2, target.Panel.GetVisualChildren().Count());
         }
-
-        [Fact]
-        public void MemberSelector_Should_Be_Applied_To_Items()
-        {
-            var target = new ItemsPresenter
-            {
-                Items = new[] 
-                {
-                    new Item { Name = "foo" },
-                    new Item { Name = "bar" },
-                },
-                MemberSelector = x => ((Item)x).Name,
-            };
-
-            target.ApplyTemplate();
-
-            var itemText = target.ItemContainerGenerator.GetAll()
-                .Select(x => ((TextBlock)x.Item2).Text)
-                .ToList();
-
-            Assert.Equal(new[] { "foo", "bar" }, itemText);
-        }
-
-        private class Item
-        {
-            public string Name { get; set; }
-        }
     }
 }