#1052 Rename TreeContainerIndex.Items to Containers

src/Avalonia.Controls/Generators/TreeContainerIndex.cs

@@ -34,7 +34,7 @@ namespace Avalonia.Controls.Generators
         /// <summary>
         /// Gets the currently materialized containers.
         /// </summary>
-        public IEnumerable<IControl> Items => _containerToItem.Keys;
+        public IEnumerable<IControl> Containers => _containerToItem.Keys;
 
         /// <summary>
         /// Gets the items of currently materialized containers.

src/Avalonia.Controls/TreeView.cs

@@ -245,7 +245,7 @@ namespace Avalonia.Controls
                     break;
                 case NotifyCollectionChangedAction.Reset:
 
-                    foreach (IControl container in ItemContainerGenerator.Index.Items)
+                    foreach (IControl container in ItemContainerGenerator.Index.Containers)
                     {
                         MarkContainerSelected(container, false);
                     }

tests/Avalonia.Controls.UnitTests/TreeViewTests.cs

@@ -54,7 +54,7 @@ namespace Avalonia.Controls.UnitTests
 
             ApplyTemplates(target);
 
-            var items = target.ItemContainerGenerator.Index.Items
+            var items = target.ItemContainerGenerator.Index.Containers
                 .OfType<TreeViewItem>()
                 .ToList();
 
@@ -463,11 +463,11 @@ namespace Avalonia.Controls.UnitTests
             CreateNodeDataTemplate(target);
             ApplyTemplates(target);
 
-            Assert.Equal(5, target.ItemContainerGenerator.Index.Items.Count());
+            Assert.Equal(5, target.ItemContainerGenerator.Index.Containers.Count());
 
             tree[0].Children.RemoveAt(1);
 
-            Assert.Equal(3, target.ItemContainerGenerator.Index.Items.Count());
+            Assert.Equal(3, target.ItemContainerGenerator.Index.Containers.Count());
         }
 
         [Fact]