Still trying to get property dependencies working.

SelectedIndex isn't being set.

samples/XamlTestApplication/Views/MainWindow.paml

@@ -2,8 +2,13 @@
         xmlns="https://github.com/perspex"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
         Title="Perspex Test Application" Height="350" Width="525" SizeToContent="WidthAndHeight" >
-   
-    <Grid RowDefinitions="Auto,*">
+
+  <ListBox SelectedIndex="0">
+    <ListBoxItem>Hello</ListBoxItem>
+    <ListBoxItem>World</ListBoxItem>
+  </ListBox>
+  
+    <!--<Grid RowDefinitions="Auto,*">
         <TabControl Grid.Row="1">
             <TabItem Header="Buttons">
                 <StackPanel HorizontalAlignment="Center" Width="200" VerticalAlignment="Center">
@@ -46,7 +51,7 @@
             </TabItem>
             <TabItem Header="Lists">
                 <StackPanel Orientation="Horizontal" VerticalAlignment="Center" HorizontalAlignment="Center">
-                    <ListBox>
+                    <ListBox SelectedIndex="0">
                         <ListBoxItem>
                             <StackPanel>
                                 <TextBlock Text="Item 1" FontSize="24" />
@@ -60,7 +65,7 @@
                             </StackPanel>
                         </ListBoxItem>
                     </ListBox>
-                    <DropDown VerticalAlignment="Center">
+                    <DropDown VerticalAlignment="Center" SelectedIndex="0">
                         <StackPanel>
                             <TextBlock Text="Item 1" FontSize="24" />
                             <TextBlock Text="Item 1 Value" />
@@ -120,5 +125,5 @@
                 </Grid>
             </TabItem>
         </TabControl>
-    </Grid>
+    </Grid>-->
 </Window>

src/Markup/Perspex.Markup.Xaml/Context/PerspexWiringContext.cs

@@ -22,6 +22,7 @@ using Perspex.Platform;
 using Perspex.Styling;
 using Splat;
 using System;
+using Perspex.Controls.Primitives;
 
 namespace Perspex.Markup.Xaml.Context
 {
@@ -45,7 +46,11 @@ namespace Perspex.Markup.Xaml.Context
             var perspexPropertyBinder = new PerspexPropertyBinder(featureProvider.ConverterProvider);
             var typeRepository = new PerspexTypeRepository(xamlNamespaceRegistry, typeFactory, featureProvider, perspexPropertyBinder);
 
-            typeRepository.RegisterMetadata(new Metadata<Setter>().WithMemberDependency(setter => setter.Value, setter => setter.Property));
+            typeRepository.RegisterMetadata(new Metadata<Setter>().WithMemberDependency(x => x.Value, x => x.Property));
+            typeRepository.RegisterMetadata(
+                new Metadata<SelectingItemsControl>()
+                .WithMemberDependency(x => x.SelectedIndex, x => x.Items)
+                .WithMemberDependency(x => x.SelectedItem, x => x.Items));
 
             return new TypeContext(typeRepository, xamlNamespaceRegistry, typeFactory);
         }

src/Markup/Perspex.Markup.Xaml/OmniXAML

@@ -1 +1 @@
-Subproject commit 7b13ebcde030df9f8d538917e57b3a34ea9edf32
+Subproject commit 1461be589a5d39d378fd177648c61a780271c742

src/Perspex.Controls/ItemsControl.cs

@@ -140,6 +140,8 @@ namespace Perspex.Controls
         /// <param name="e">The event args.</param>
         protected virtual void ItemsChanged(PerspexPropertyChangedEventArgs e)
         {
+            System.Diagnostics.Debug.WriteLine($"{this.GetType().Name} set items");
+
             var incc = e.OldValue as INotifyCollectionChanged;
 
             if (incc != null)

src/Perspex.Controls/Primitives/SelectingItemsControl.cs

@@ -299,6 +299,8 @@ namespace Perspex.Controls.Primitives
         /// <param name="e">The event args.</param>
         private void SelectedIndexChanged(PerspexPropertyChangedEventArgs e)
         {
+            System.Diagnostics.Debug.WriteLine($"{this.GetType().Name} set selected index");
+
             var index = (int)e.OldValue;
 
             if (index != -1)