Reformat Avalonia.Diagnostics.

.editorconfig

@@ -131,13 +131,14 @@ csharp_space_between_method_declaration_name_and_open_parenthesis = false
 csharp_space_between_method_declaration_parameter_list_parentheses = false
 csharp_space_between_parentheses = false
 csharp_space_between_square_brackets = false
+space_within_single_line_array_initializer_braces = true
 
 # Wrapping preferences
 csharp_wrap_before_ternary_opsigns = false
 
 # Xaml files
 [*.xaml]
-indent_size = 4
+indent_size = 2
 
 # Xml project files
 [*.{csproj,vcxproj,vcxproj.filters,proj,nativeproj,locproj}]

src/Avalonia.Diagnostics/DevTools.xaml

@@ -1,24 +1,24 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="Avalonia.Diagnostics.DevTools">
-    <Grid RowDefinitions="*,Auto" Margin="4">
+  <Grid RowDefinitions="*,Auto" Margin="4">
 
-        <TabControl Grid.Row="0" Items="{Binding Tools}" SelectedItem="{Binding SelectedTool}">
-            <TabControl.ItemTemplate>
-                <DataTemplate>
-                    <TextBlock Text="{Binding Name}" />
-                </DataTemplate>
-            </TabControl.ItemTemplate>
-        </TabControl>
+    <TabControl Grid.Row="0" Items="{Binding Tools}" SelectedItem="{Binding SelectedTool}">
+      <TabControl.ItemTemplate>
+        <DataTemplate>
+          <TextBlock Text="{Binding Name}" />
+        </DataTemplate>
+      </TabControl.ItemTemplate>
+    </TabControl>
 
-        <StackPanel Grid.Row="1" Spacing="4" Orientation="Horizontal">
-            <TextBlock>Hold Ctrl+Shift over a control to inspect.</TextBlock>
-            <Separator Width="8" />
-            <TextBlock>Focused:</TextBlock>
-            <TextBlock Text="{Binding FocusedControl}" />
-            <Separator Width="8" />
-            <TextBlock>Pointer Over:</TextBlock>
-            <TextBlock Text="{Binding PointerOverElement}" />
-        </StackPanel>
-    </Grid>
+    <StackPanel Grid.Row="1" Spacing="4" Orientation="Horizontal">
+      <TextBlock>Hold Ctrl+Shift over a control to inspect.</TextBlock>
+      <Separator Width="8" />
+      <TextBlock>Focused:</TextBlock>
+      <TextBlock Text="{Binding FocusedControl}" />
+      <Separator Width="8" />
+      <TextBlock>Pointer Over:</TextBlock>
+      <TextBlock Text="{Binding PointerOverElement}" />
+    </StackPanel>
+  </Grid>
 </UserControl>

src/Avalonia.Diagnostics/DevTools.xaml.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
@@ -18,22 +17,22 @@ using Avalonia.VisualTree;
 
 namespace Avalonia
 {
-	public static class DevToolsExtensions
-	{
-		public static void AttachDevTools(this TopLevel control)
-		{
-			Avalonia.Diagnostics.DevTools.Attach(control);
-		}
-	}
+    public static class DevToolsExtensions
+    {
+        public static void AttachDevTools(this TopLevel control)
+        {
+            Diagnostics.DevTools.Attach(control);
+        }
+    }
 }
 
 namespace Avalonia.Diagnostics
 {
-	public class DevTools : UserControl
+    public class DevTools : UserControl
     {
-        private static Dictionary<TopLevel, Window> s_open = new Dictionary<TopLevel, Window>();
-        private static HashSet<IRenderRoot> s_visualTreeRoots = new HashSet<IRenderRoot>();
-        private IDisposable _keySubscription;
+        private static readonly Dictionary<TopLevel, Window> s_open = new Dictionary<TopLevel, Window>();
+        private static readonly HashSet<IRenderRoot> s_visualTreeRoots = new HashSet<IRenderRoot>();
+        private readonly IDisposable _keySubscription;
 
         public DevTools(IControl root)
         {
@@ -49,7 +48,6 @@ namespace Avalonia.Diagnostics
         // HACK: needed for XAMLIL, will fix that later
         public DevTools()
         {
-            
         }
 
         public IControl Root { get; }
@@ -67,9 +65,8 @@ namespace Avalonia.Diagnostics
             if (e.Key == Key.F12)
             {
                 var control = (TopLevel)sender;
-                var devToolsWindow = default(Window);
 
-                if (s_open.TryGetValue(control, out devToolsWindow))
+                if (s_open.TryGetValue(control, out var devToolsWindow))
                 {
                     devToolsWindow.Activate();
                 }
@@ -82,10 +79,7 @@ namespace Avalonia.Diagnostics
                         Width = 1024,
                         Height = 512,
                         Content = devTools,
-                        DataTemplates =
-                        {
-                            new ViewLocator<ViewModelBase>(),
-                        },
+                        DataTemplates = { new ViewLocator<ViewModelBase>() },
                         Title = "Avalonia DevTools"
                     };
 
@@ -118,7 +112,6 @@ namespace Avalonia.Diagnostics
 
             if ((e.Modifiers) == modifiers)
             {
-
                 var point = (Root.VisualRoot as IInputRoot)?.MouseDevice?.GetPosition(Root) ?? default(Point);
                 var control = Root.GetVisualsAt(point, x => (!(x is AdornerLayer) && x.IsVisible))
                     .FirstOrDefault();

src/Avalonia.Diagnostics/Models/EventChainLink.cs

@@ -12,9 +12,9 @@ namespace Avalonia.Diagnostics.Models
         {
             Contract.Requires<ArgumentNullException>(handler != null);
 
-            this.Handler = handler;
-            this.Handled = handled;
-            this.Route = route;
+            Handler = handler;
+            Handled = handled;
+            Route = route;
         }
 
         public object Handler { get; }
@@ -27,6 +27,7 @@ namespace Avalonia.Diagnostics.Models
                 {
                     return named.Name + " (" + Handler.GetType().Name + ")";
                 }
+
                 return Handler.GetType().Name;
             }
         }

src/Avalonia.Diagnostics/ViewModels/ControlDetailsViewModel.cs

@@ -20,16 +20,6 @@ namespace Avalonia.Diagnostics.ViewModels
             }
         }
 
-        public IEnumerable<string> Classes
-        {
-            get;
-            private set;
-        }
-
-        public IEnumerable<PropertyDetails> Properties
-        {
-            get;
-            private set;
-        }
+        public IEnumerable<PropertyDetails> Properties { get; }
     }
 }

src/Avalonia.Diagnostics/ViewModels/DevToolsViewModel.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT license. See licence.md file in the project root for full license information.
 
 using System;
-using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using Avalonia.Controls;

src/Avalonia.Diagnostics/ViewModels/EventOwnerTreeNode.cs

@@ -13,22 +13,18 @@ namespace Avalonia.Diagnostics.ViewModels
 {
     internal class EventOwnerTreeNode : EventTreeNodeBase
     {
-        private static readonly RoutedEvent[] s_defaultEvents = new RoutedEvent[]
+        private static readonly RoutedEvent[] s_defaultEvents =
         {
-           Button.ClickEvent,
-           InputElement.KeyDownEvent,
-           InputElement.KeyUpEvent,
-           InputElement.TextInputEvent,
-           InputElement.PointerReleasedEvent,
-           InputElement.PointerPressedEvent,
+            Button.ClickEvent, InputElement.KeyDownEvent, InputElement.KeyUpEvent, InputElement.TextInputEvent,
+            InputElement.PointerReleasedEvent, InputElement.PointerPressedEvent
         };
 
         public EventOwnerTreeNode(Type type, IEnumerable<RoutedEvent> events, EventsViewModel vm)
             : base(null, type.Name)
         {
-            this.Children = new AvaloniaList<EventTreeNodeBase>(events.OrderBy(e => e.Name)
+            Children = new AvaloniaList<EventTreeNodeBase>(events.OrderBy(e => e.Name)
                 .Select(e => new EventTreeNode(this, e, vm) { IsEnabled = s_defaultEvents.Contains(e) }));
-            this.IsExpanded = true;
+            IsExpanded = true;
         }
 
         public override bool? IsEnabled
@@ -39,6 +35,7 @@ namespace Avalonia.Diagnostics.ViewModels
                 if (base.IsEnabled != value)
                 {
                     base.IsEnabled = value;
+
                     if (_updateChildren && value != null)
                     {
                         foreach (var child in Children)

src/Avalonia.Diagnostics/ViewModels/EventTreeNode.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT license. See licence.md file in the project root for full license information.
 
 using System;
-
 using Avalonia.Diagnostics.Models;
 using Avalonia.Interactivity;
 using Avalonia.Threading;
@@ -12,8 +11,8 @@ namespace Avalonia.Diagnostics.ViewModels
 {
     internal class EventTreeNode : EventTreeNodeBase
     {
-        private RoutedEvent _event;
-        private EventsViewModel _parentViewModel;
+        private readonly RoutedEvent _event;
+        private readonly EventsViewModel _parentViewModel;
         private bool _isRegistered;
         private FiredEvent _currentEvent;
 
@@ -23,8 +22,8 @@ namespace Avalonia.Diagnostics.ViewModels
             Contract.Requires<ArgumentNullException>(@event != null);
             Contract.Requires<ArgumentNullException>(vm != null);
 
-            this._event = @event;
-            this._parentViewModel = vm;
+            _event = @event;
+            _parentViewModel = vm;
         }
 
         public override bool? IsEnabled

src/Avalonia.Diagnostics/ViewModels/EventTreeNodeBase.cs

@@ -12,10 +12,10 @@ namespace Avalonia.Diagnostics.ViewModels
         private bool _isExpanded;
         private bool? _isEnabled = false;
 
-        public EventTreeNodeBase(EventTreeNodeBase parent, string text)
+        protected EventTreeNodeBase(EventTreeNodeBase parent, string text)
         {
-            this.Parent = parent;
-            this.Text = text;
+            Parent = parent;
+            Text = text;
         }
 
         public IAvaloniaReadOnlyList<EventTreeNodeBase> Children
@@ -26,14 +26,14 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public bool IsExpanded
         {
-            get { return _isExpanded; }
-            set { RaiseAndSetIfChanged(ref _isExpanded, value); }
+            get => _isExpanded;
+            set => RaiseAndSetIfChanged(ref _isExpanded, value);
         }
 
         public virtual bool? IsEnabled
         {
-            get { return _isEnabled; }
-            set { RaiseAndSetIfChanged(ref _isEnabled, value); }
+            get => _isEnabled;
+            set => RaiseAndSetIfChanged(ref _isEnabled, value);
         }
 
         public EventTreeNodeBase Parent
@@ -44,7 +44,6 @@ namespace Avalonia.Diagnostics.ViewModels
         public string Text
         {
             get;
-            private set;
         }
 
         internal void UpdateChecked()
@@ -55,7 +54,9 @@ namespace Avalonia.Diagnostics.ViewModels
             {
                 if (Children == null)
                     return false;
+
                 bool? value = false;
+
                 for (int i = 0; i < Children.Count; i++)
                 {
                     if (i == 0)

src/Avalonia.Diagnostics/ViewModels/FiredEvent.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.ObjectModel;
-
 using Avalonia.Diagnostics.Models;
 using Avalonia.Interactivity;
 
@@ -11,7 +10,7 @@ namespace Avalonia.Diagnostics.ViewModels
 {
     internal class FiredEvent : ViewModelBase
     {
-        private RoutedEventArgs _eventArgs;
+        private readonly RoutedEventArgs _eventArgs;
         private EventChainLink _handledBy;
 
         public FiredEvent(RoutedEventArgs eventArgs, EventChainLink originator)
@@ -19,8 +18,8 @@ namespace Avalonia.Diagnostics.ViewModels
             Contract.Requires<ArgumentNullException>(eventArgs != null);
             Contract.Requires<ArgumentNullException>(originator != null);
 
-            this._eventArgs = eventArgs;
-            this.Originator = originator;
+            _eventArgs = eventArgs;
+            Originator = originator;
             AddToChain(originator);
         }
 
@@ -42,8 +41,9 @@ namespace Avalonia.Diagnostics.ViewModels
                 if (IsHandled)
                 {
                     return $"{Event.Name} on {Originator.HandlerName};" + Environment.NewLine +
-                        $"strategies: {Event.RoutingStrategies}; handled by: {HandledBy.HandlerName}";
+                           $"strategies: {Event.RoutingStrategies}; handled by: {HandledBy.HandlerName}";
                 }
+
                 return $"{Event.Name} on {Originator.HandlerName}; strategies: {Event.RoutingStrategies}";
             }
         }
@@ -52,7 +52,7 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public EventChainLink HandledBy
         {
-            get { return _handledBy; }
+            get => _handledBy;
             set
             {
                 if (_handledBy != value)

src/Avalonia.Diagnostics/ViewModels/LogicalTreeNode.cs

@@ -17,8 +17,7 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public static LogicalTreeNode[] Create(object control)
         {
-            var logical = control as ILogical;
-            return logical != null ? new[] { new LogicalTreeNode(logical, null) } : null;
+            return control is ILogical logical ? new[] { new LogicalTreeNode(logical, null) } : null;
         }
     }
 }

src/Avalonia.Diagnostics/ViewModels/PropertyDetails.cs

@@ -26,7 +26,9 @@ namespace Avalonia.Diagnostics.ViewModels
                 Value = diagnostic.Value ?? "(null)";
                 Priority = (diagnostic.Priority != BindingPriority.Unset) ?
                     diagnostic.Priority.ToString() :
-                    diagnostic.Property.Inherits ? "Inherited" : "Unset";
+                    diagnostic.Property.Inherits ?
+                        "Inherited" :
+                        "Unset";
                 Diagnostic = diagnostic.Diagnostic;
             });
         }
@@ -37,20 +39,20 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public string Priority
         {
-            get { return _priority; }
-            private set { RaiseAndSetIfChanged(ref _priority, value); }
+            get => _priority;
+            private set => RaiseAndSetIfChanged(ref _priority, value);
         }
 
         public string Diagnostic
         {
-            get { return _diagnostic; }
-            private set { RaiseAndSetIfChanged(ref _diagnostic, value); }
+            get => _diagnostic;
+            private set => RaiseAndSetIfChanged(ref _diagnostic, value);
         }
 
         public object Value
         {
-            get { return _value; }
-            private set { RaiseAndSetIfChanged(ref _value, value); }
+            get => _value;
+            private set => RaiseAndSetIfChanged(ref _value, value);
         }
     }
 }

src/Avalonia.Diagnostics/ViewModels/TreeNode.cs

@@ -27,9 +27,9 @@ namespace Avalonia.Diagnostics.ViewModels
                 var classesChanged = Observable.FromEventPattern<
                         NotifyCollectionChangedEventHandler,
                         NotifyCollectionChangedEventArgs>(
-                    x => styleable.Classes.CollectionChanged += x,
-                    x => styleable.Classes.CollectionChanged -= x)
-                    .TakeUntil(((IStyleable)styleable).StyleDetach);
+                        x => styleable.Classes.CollectionChanged += x,
+                        x => styleable.Classes.CollectionChanged -= x)
+                    .TakeUntil(styleable.StyleDetach);
 
                 classesChanged.Select(_ => Unit.Default)
                     .StartWith(Unit.Default)
@@ -55,8 +55,8 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public string Classes
         {
-            get { return _classes; }
-            private set { RaiseAndSetIfChanged(ref _classes, value); }
+            get => _classes;
+            private set => RaiseAndSetIfChanged(ref _classes, value);
         }
 
         public IVisual Visual
@@ -66,8 +66,8 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public bool IsExpanded
         {
-            get { return _isExpanded; }
-            set { RaiseAndSetIfChanged(ref _isExpanded, value); }
+            get => _isExpanded;
+            set => RaiseAndSetIfChanged(ref _isExpanded, value);
         }
 
         public TreeNode Parent
@@ -78,7 +78,6 @@ namespace Avalonia.Diagnostics.ViewModels
         public string Type
         {
             get;
-            private set;
         }
     }
 }

src/Avalonia.Diagnostics/ViewModels/TreePageViewModel.cs

@@ -23,7 +23,7 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public TreeNode SelectedNode
         {
-            get { return _selected; }
+            get => _selected;
             set
             {
                 if (RaiseAndSetIfChanged(ref _selected, value))
@@ -35,8 +35,8 @@ namespace Avalonia.Diagnostics.ViewModels
 
         public ControlDetailsViewModel Details
         {
-            get { return _details; }
-            private set { RaiseAndSetIfChanged(ref _details, value); }
+            get => _details;
+            private set => RaiseAndSetIfChanged(ref _details, value);
         }
 
         public TreeNode FindNode(IControl control)
@@ -66,7 +66,7 @@ namespace Avalonia.Diagnostics.ViewModels
                 {
                     control = control.GetVisualParent<IControl>();
                 }
-            }            
+            }
 
             if (node != null)
             {
@@ -90,16 +90,14 @@ namespace Avalonia.Diagnostics.ViewModels
             {
                 return node;
             }
-            else
+
+            foreach (var child in node.Children)
             {
-                foreach (var child in node.Children)
-                {
-                    var result = FindNode(child, control);
+                var result = FindNode(child, control);
 
-                    if (result != null)
-                    {
-                        return result;
-                    }
+                if (result != null)
+                {
+                    return result;
                 }
             }
 

src/Avalonia.Diagnostics/ViewModels/VisualTreeNode.cs

@@ -29,12 +29,11 @@ namespace Avalonia.Diagnostics.ViewModels
             }
         }
 
-        public bool IsInTemplate { get; private set; }
+        public bool IsInTemplate { get; }
 
         public static VisualTreeNode[] Create(object control)
         {
-            var visual = control as IVisual;
-            return visual != null ? new[] { new VisualTreeNode(visual, null) } : null;
+            return control is IVisual visual ? new[] { new VisualTreeNode(visual, null) } : null;
         }
     }
 }

src/Avalonia.Diagnostics/Views/ControlDetailsView.cs

@@ -14,6 +14,7 @@ namespace Avalonia.Diagnostics.Views
     {
         private static readonly StyledProperty<ControlDetailsViewModel> ViewModelProperty =
             AvaloniaProperty.Register<ControlDetailsView, ControlDetailsViewModel>(nameof(ViewModel));
+
         private SimpleGrid _grid;
 
         public ControlDetailsView()
@@ -25,7 +26,7 @@ namespace Avalonia.Diagnostics.Views
 
         public ControlDetailsViewModel ViewModel
         {
-            get { return GetValue(ViewModelProperty); }
+            get => GetValue(ViewModelProperty);
             private set
             {
                 SetValue(ViewModelProperty, value);
@@ -37,13 +38,7 @@ namespace Avalonia.Diagnostics.Views
         {
             Func<object, IEnumerable<Control>> pt = PropertyTemplate;
 
-            Content = new ScrollViewer
-            {
-                Content = _grid = new SimpleGrid
-                {
-                    [GridRepeater.TemplateProperty] = pt,
-                }
-            };
+            Content = new ScrollViewer { Content = _grid = new SimpleGrid { [GridRepeater.TemplateProperty] = pt } };
         }
 
         private IEnumerable<Control> PropertyTemplate(object i)
@@ -57,7 +52,7 @@ namespace Avalonia.Diagnostics.Views
                 Margin = margin,
                 Text = property.Name,
                 TextWrapping = TextWrapping.NoWrap,
-                [!ToolTip.TipProperty] = property.GetObservable<string>(nameof(property.Diagnostic)).ToBinding(),
+                [!ToolTip.TipProperty] = property.GetObservable<string>(nameof(property.Diagnostic)).ToBinding()
             };
 
             yield return new TextBlock
@@ -66,14 +61,14 @@ namespace Avalonia.Diagnostics.Views
                 TextWrapping = TextWrapping.NoWrap,
                 [!TextBlock.TextProperty] = property.GetObservable<object>(nameof(property.Value))
                     .Select(v => v?.ToString())
-                    .ToBinding(),
+                    .ToBinding()
             };
 
             yield return new TextBlock
             {
                 Margin = margin,
                 TextWrapping = TextWrapping.NoWrap,
-                [!TextBlock.TextProperty] = property.GetObservable<string>((nameof(property.Priority))).ToBinding(),
+                [!TextBlock.TextProperty] = property.GetObservable<string>((nameof(property.Priority))).ToBinding()
             };
         }
     }

src/Avalonia.Diagnostics/Views/EventsView.xaml

@@ -2,53 +2,57 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:vm="clr-namespace:Avalonia.Diagnostics.ViewModels"
              x:Class="Avalonia.Diagnostics.Views.EventsView">
-    <UserControl.Resources>
-        <vm:BoolToBrushConverter x:Key="boolToBrush" />
-    </UserControl.Resources>
-    <Grid ColumnDefinitions="*,4,3*">
-        <TreeView Name="tree" Items="{Binding Nodes}" SelectedItem="{Binding SelectedNode, Mode=TwoWay}" Grid.RowSpan="2">
-            <TreeView.DataTemplates>
-                <TreeDataTemplate DataType="vm:EventTreeNodeBase"
-                                  ItemsSource="{Binding Children}">
-                    <CheckBox Content="{Binding Text}" IsChecked="{Binding IsEnabled, Mode=TwoWay}" />
-                </TreeDataTemplate>
-            </TreeView.DataTemplates>
-            <TreeView.Styles>
-                <Style Selector="TreeViewItem">
-                    <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
-                </Style>
-            </TreeView.Styles>
-        </TreeView>
-                          
-        <GridSplitter Width="4" Grid.Column="1" />
-        <Grid RowDefinitions="*,4,2*,Auto" Grid.Column="2">
-            <ListBox Name="eventsList" Items="{Binding RecordedEvents}" SelectedItem="{Binding SelectedEvent, Mode=TwoWay}">
-                <ListBox.ItemTemplate>
-                    <DataTemplate>
-                        <TextBlock Background="{Binding IsHandled, Converter={StaticResource boolToBrush}}" Text="{Binding DisplayText}" />
-                    </DataTemplate>
-                </ListBox.ItemTemplate>
-            </ListBox>
-            <GridSplitter Height="4" Grid.Row="1" />
-            <DockPanel Grid.Row="2" LastChildFill="True">
-                <TextBlock DockPanel.Dock="Top" FontSize="16" Text="Event chain:" />
-                <ListBox Items="{Binding SelectedEvent.EventChain}">
-                    <ListBox.ItemTemplate>
-                        <DataTemplate>
-                            <StackPanel Orientation="Horizontal" Background="{Binding Handled, Converter={StaticResource boolToBrush}}">
-                                <TextBlock Text="{Binding Route}" />
-                                <TextBlock Text=": " />
-                                <TextBlock Text="{Binding HandlerName}" />
-                                <TextBlock Text=" handled: " />
-                                <TextBlock Text="{Binding Handled}" />
-                            </StackPanel>
-                        </DataTemplate>
-                    </ListBox.ItemTemplate>
-                </ListBox>
-            </DockPanel>
-            <StackPanel Orientation="Horizontal" Grid.Row="3">
-                <Button Content="Clear" Margin="3" Command="{Binding Clear}"  />
-            </StackPanel>
-        </Grid>
+  <UserControl.Resources>
+    <vm:BoolToBrushConverter x:Key="boolToBrush" />
+  </UserControl.Resources>
+  <Grid ColumnDefinitions="*,4,3*">
+    <TreeView Name="tree" Items="{Binding Nodes}" SelectedItem="{Binding SelectedNode, Mode=TwoWay}"
+              Grid.RowSpan="2">
+      <TreeView.DataTemplates>
+        <TreeDataTemplate DataType="vm:EventTreeNodeBase"
+                          ItemsSource="{Binding Children}">
+          <CheckBox Content="{Binding Text}" IsChecked="{Binding IsEnabled, Mode=TwoWay}" />
+        </TreeDataTemplate>
+      </TreeView.DataTemplates>
+      <TreeView.Styles>
+        <Style Selector="TreeViewItem">
+          <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}" />
+        </Style>
+      </TreeView.Styles>
+    </TreeView>
+
+    <GridSplitter Width="4" Grid.Column="1" />
+    <Grid RowDefinitions="*,4,2*,Auto" Grid.Column="2">
+      <ListBox Name="eventsList" Items="{Binding RecordedEvents}"
+               SelectedItem="{Binding SelectedEvent, Mode=TwoWay}">
+        <ListBox.ItemTemplate>
+          <DataTemplate>
+            <TextBlock Background="{Binding IsHandled, Converter={StaticResource boolToBrush}}"
+                       Text="{Binding DisplayText}" />
+          </DataTemplate>
+        </ListBox.ItemTemplate>
+      </ListBox>
+      <GridSplitter Height="4" Grid.Row="1" />
+      <DockPanel Grid.Row="2" LastChildFill="True">
+        <TextBlock DockPanel.Dock="Top" FontSize="16" Text="Event chain:" />
+        <ListBox Items="{Binding SelectedEvent.EventChain}">
+          <ListBox.ItemTemplate>
+            <DataTemplate>
+              <StackPanel Orientation="Horizontal"
+                          Background="{Binding Handled, Converter={StaticResource boolToBrush}}">
+                <TextBlock Text="{Binding Route}" />
+                <TextBlock Text=": " />
+                <TextBlock Text="{Binding HandlerName}" />
+                <TextBlock Text=" handled: " />
+                <TextBlock Text="{Binding Handled}" />
+              </StackPanel>
+            </DataTemplate>
+          </ListBox.ItemTemplate>
+        </ListBox>
+      </DockPanel>
+      <StackPanel Orientation="Horizontal" Grid.Row="3">
+        <Button Content="Clear" Margin="3" Command="{Binding Clear}" />
+      </StackPanel>
     </Grid>
+  </Grid>
 </UserControl>

src/Avalonia.Diagnostics/Views/EventsView.xaml.cs

@@ -2,7 +2,6 @@
 // Licensed under the MIT license. See licence.md file in the project root for full license information.
 
 using System.Linq;
-
 using Avalonia.Controls;
 using Avalonia.Diagnostics.ViewModels;
 using Avalonia.Markup.Xaml;
@@ -11,15 +10,16 @@ namespace Avalonia.Diagnostics.Views
 {
     public class EventsView : UserControl
     {
-        private ListBox _events;
+        private readonly ListBox _events;
 
         public EventsView()
         {
-            this.InitializeComponent();
+            InitializeComponent();
             _events = this.FindControl<ListBox>("events");
         }
 
-        private void RecordedEvents_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
+        private void RecordedEvents_CollectionChanged(object sender,
+            System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
         {
             _events.ScrollIntoView(_events.Items.OfType<FiredEvent>().LastOrDefault());
         }

src/Avalonia.Diagnostics/Views/GridRepeater.cs

@@ -14,7 +14,8 @@ namespace Avalonia.Diagnostics.Views
             AvaloniaProperty.RegisterAttached<SimpleGrid, IEnumerable>("Items", typeof(GridRepeater));
 
         public static readonly AttachedProperty<Func<object, IEnumerable<Control>>> TemplateProperty =
-            AvaloniaProperty.RegisterAttached<SimpleGrid, Func<object, IEnumerable<Control>>>("Template", typeof(GridRepeater));
+            AvaloniaProperty.RegisterAttached<SimpleGrid, Func<object, IEnumerable<Control>>>("Template",
+                typeof(GridRepeater));
 
         static GridRepeater()
         {

src/Avalonia.Diagnostics/Views/PropertyChangedExtensions.cs

@@ -23,11 +23,11 @@ namespace Avalonia.Diagnostics.Views
             }
 
             return Observable.FromEventPattern<PropertyChangedEventHandler, PropertyChangedEventArgs>(
-                e => source.PropertyChanged += e,
-                e => source.PropertyChanged -= e)
-                    .Where(e => e.EventArgs.PropertyName == propertyName)
-                    .Select(_ => (T)property.GetValue(source))
-                    .StartWith((T)property.GetValue(source));
+                    e => source.PropertyChanged += e,
+                    e => source.PropertyChanged -= e)
+                .Where(e => e.EventArgs.PropertyName == propertyName)
+                .Select(_ => (T)property.GetValue(source))
+                .StartWith((T)property.GetValue(source));
         }
     }
 }

src/Avalonia.Diagnostics/Views/SimpleGrid.cs

@@ -15,8 +15,8 @@ namespace Avalonia.Diagnostics.Views
     /// </remarks>
     public class SimpleGrid : Panel
     {
-        private List<double> _columnWidths = new List<double>();
-        private List<double> _rowHeights = new List<double>();
+        private readonly List<double> _columnWidths = new List<double>();
+        private readonly List<double> _rowHeights = new List<double>();
         private double _totalWidth;
         private double _totalHeight;
 
@@ -31,7 +31,7 @@ namespace Avalonia.Diagnostics.Views
         /// </summary>
         public static readonly AttachedProperty<int> RowProperty =
             AvaloniaProperty.RegisterAttached<SimpleGrid, Control, int>("Row");
-        
+
         /// <summary>
         /// Gets the value of the Column attached property for a control.
         /// </summary>
@@ -62,7 +62,7 @@ namespace Avalonia.Diagnostics.Views
             control.SetValue(ColumnProperty, value);
         }
 
-        
+
         /// <summary>
         /// Sets the value of the Row attached property for a control.
         /// </summary>

src/Avalonia.Diagnostics/Views/TreePageView.xaml

@@ -2,25 +2,25 @@
              xmlns:vm="clr-namespace:Avalonia.Diagnostics.ViewModels"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="Avalonia.Diagnostics.Views.TreePageView">
-  <Grid ColumnDefinitions="*,4,3*">    
+  <Grid ColumnDefinitions="*,4,3*">
     <TreeView Name="tree" Items="{Binding Nodes}" SelectedItem="{Binding SelectedNode, Mode=TwoWay}">
       <TreeView.DataTemplates>
         <TreeDataTemplate DataType="vm:TreeNode"
                           ItemsSource="{Binding Children}">
           <StackPanel Orientation="Horizontal" Spacing="8">
-            <TextBlock Text="{Binding Type}"/>
-            <TextBlock Text="{Binding Classes}"/>
+            <TextBlock Text="{Binding Type}" />
+            <TextBlock Text="{Binding Classes}" />
           </StackPanel>
         </TreeDataTemplate>
       </TreeView.DataTemplates>
       <TreeView.Styles>
         <Style Selector="TreeViewItem">
-          <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}"/>
+          <Setter Property="IsExpanded" Value="{Binding IsExpanded, Mode=TwoWay}" />
         </Style>
       </TreeView.Styles>
     </TreeView>
 
-    <GridSplitter Width="4" Grid.Column="1"/>
-    <ContentControl Content="{Binding Details}" Grid.Column="2"/>
+    <GridSplitter Width="4" Grid.Column="1" />
+    <ContentControl Content="{Binding Details}" Grid.Column="2" />
   </Grid>
 </UserControl>

src/Avalonia.Diagnostics/Views/TreePageView.xaml.cs

@@ -19,7 +19,7 @@ namespace Avalonia.Diagnostics.Views
 
         public TreePageView()
         {
-            this.InitializeComponent();
+            InitializeComponent();
             _tree.ItemContainerGenerator.Index.Materialized += TreeViewItemMaterialized;
         }
 
@@ -39,7 +39,7 @@ namespace Avalonia.Diagnostics.Views
                 _adorner = new Rectangle
                 {
                     Fill = new SolidColorBrush(0x80a0c5e8),
-                    [AdornerLayer.AdornedElementProperty] = node.Visual,
+                    [AdornerLayer.AdornedElementProperty] = node.Visual
                 };
 
                 layer.Children.Add(_adorner);