diff --git a/.gitignore b/.gitignore
index 583a2b8a2b..32acee4c90 100644
--- a/.gitignore
+++ b/.gitignore
@@ -165,6 +165,11 @@ $RECYCLE.BIN/
 #################
 .idea
 
+#################
+## VS Code
+#################
+.vscode/
+
 #################
 ## Cake
 #################
diff --git a/src/Avalonia.Controls/Primitives/SelectingItemsControl.cs b/src/Avalonia.Controls/Primitives/SelectingItemsControl.cs
index eb3fbde8f2..c8425a0f80 100644
--- a/src/Avalonia.Controls/Primitives/SelectingItemsControl.cs
+++ b/src/Avalonia.Controls/Primitives/SelectingItemsControl.cs
@@ -376,7 +376,7 @@ namespace Avalonia.Controls.Primitives
                     break;
 
                 case NotifyCollectionChangedAction.Reset:
-                    SelectedIndex = IndexOf(e.NewItems, SelectedItem);
+                    SelectedIndex = IndexOf(Items, SelectedItem);
                     break;
             }
         }
diff --git a/src/Avalonia.Controls/Window.cs b/src/Avalonia.Controls/Window.cs
index d1a023c42c..7e1d8f18f0 100644
--- a/src/Avalonia.Controls/Window.cs
+++ b/src/Avalonia.Controls/Window.cs
@@ -302,17 +302,23 @@ namespace Avalonia.Controls
 
         internal void Close(bool ignoreCancel)
         {
+            bool close = true;
+
             try
             {
                 if (!ignoreCancel && HandleClosing())
                 {
+                    close = false;
                     return;
                 }
             }
             finally
             {
-                PlatformImpl?.Dispose();
-                HandleClosed();
+                if (close)
+                {
+                    PlatformImpl?.Dispose();
+                    HandleClosed();
+                }
             }
         }
 
diff --git a/src/Gtk/Avalonia.Gtk3/KeyTransform.cs b/src/Gtk/Avalonia.Gtk3/KeyTransform.cs
index 5a34db2e04..69c5a1bf5f 100644
--- a/src/Gtk/Avalonia.Gtk3/KeyTransform.cs
+++ b/src/Gtk/Avalonia.Gtk3/KeyTransform.cs
@@ -33,17 +33,24 @@ namespace Avalonia.Gtk.Common
             { GdkKey.Prior, Key.Prior },
             //{ GdkKey.?, Key.PageDown }
             { GdkKey.End, Key.End },
+            { GdkKey.KP_End, Key.End },
             { GdkKey.Home, Key.Home },
+            { GdkKey.KP_Home, Key.Home },
             { GdkKey.Left, Key.Left },
+            { GdkKey.KP_Left, Key.Left },
             { GdkKey.Up, Key.Up },
+            { GdkKey.KP_Up, Key.Up },
             { GdkKey.Right, Key.Right },
+            { GdkKey.KP_Right, Key.Right },
             { GdkKey.Down, Key.Down },
+            { GdkKey.KP_Down, Key.Down },
             { GdkKey.Select, Key.Select },
             { GdkKey.Print, Key.Print },
             { GdkKey.Execute, Key.Execute },
             //{ GdkKey.?, Key.Snapshot }
             { GdkKey.Insert, Key.Insert },
             { GdkKey.Delete, Key.Delete },
+            { GdkKey.KP_Delete, Key.Delete },
             { GdkKey.Help, Key.Help },
             //{ GdkKey.?, Key.D0 }
             //{ GdkKey.?, Key.D1 }
diff --git a/tests/Avalonia.Controls.UnitTests/Primitives/SelectingItemsControlTests.cs b/tests/Avalonia.Controls.UnitTests/Primitives/SelectingItemsControlTests.cs
index c7a3465ac4..14e1b15ebc 100644
--- a/tests/Avalonia.Controls.UnitTests/Primitives/SelectingItemsControlTests.cs
+++ b/tests/Avalonia.Controls.UnitTests/Primitives/SelectingItemsControlTests.cs
@@ -3,6 +3,7 @@
 
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Collections.Specialized;
 using System.Linq;
 using Avalonia.Collections;
 using Avalonia.Controls.Presenters;
@@ -13,6 +14,7 @@ using Avalonia.Input;
 using Avalonia.Interactivity;
 using Avalonia.Markup.Data;
 using Avalonia.UnitTests;
+using Moq;
 using Xunit;
 
 namespace Avalonia.Controls.UnitTests.Primitives
@@ -686,6 +688,26 @@ namespace Avalonia.Controls.UnitTests.Primitives
             Assert.Null(KeyboardNavigation.GetTabOnceActiveElement((InputElement)panel));
         }
 
+        [Fact]
+        public void Resetting_Items_Collection_Should_Retain_Selection()
+        {
+            var itemsMock = new Mock<List<string>>();
+            var itemsMockAsINCC = itemsMock.As<INotifyCollectionChanged>();
+
+            itemsMock.Object.AddRange(new[] { "Foo", "Bar", "Baz" });
+            var target = new SelectingItemsControl
+            {
+                Items = itemsMock.Object
+            };
+
+            target.SelectedIndex = 1;
+
+            itemsMockAsINCC.Raise(e => e.CollectionChanged += null, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
+
+            Assert.True(target.SelectedIndex == 1);
+        }
+
+
         private FuncControlTemplate Template()
         {
             return new FuncControlTemplate<SelectingItemsControl>(control =>