diff --git a/Perspex.Base/Diagnostics/PerspexPropertyValue.cs b/Perspex.Base/Diagnostics/PerspexPropertyValue.cs
new file mode 100644
index 0000000000..ac82fce932
--- /dev/null
+++ b/Perspex.Base/Diagnostics/PerspexPropertyValue.cs
@@ -0,0 +1,30 @@
+// -----------------------------------------------------------------------
+// <copyright file="PerspexPropertyValue.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Perspex.Diagnostics
+{
+    public class PerspexPropertyValue
+    {
+        public PerspexPropertyValue(PerspexProperty property, object value)
+        {
+            this.Property = property;
+            this.CurrentValue = value;
+        }
+
+        public PerspexPropertyValue(PerspexProperty property, PriorityValue priorityValue)
+        {
+            this.Property = property;
+            this.CurrentValue = priorityValue.Value;
+            this.PriorityValue = priorityValue;
+        }
+
+        public PerspexProperty Property { get; private set; }
+
+        public object CurrentValue { get; private set; }
+
+        public PriorityValue PriorityValue { get; private set; }
+    }
+}
diff --git a/Perspex.Base/Perspex.Base.csproj b/Perspex.Base/Perspex.Base.csproj
index 2cb1dd0369..b302c49aef 100644
--- a/Perspex.Base/Perspex.Base.csproj
+++ b/Perspex.Base/Perspex.Base.csproj
@@ -36,6 +36,7 @@
   <ItemGroup>
     <Compile Include="Binding.cs" />
     <Compile Include="Contract.cs" />
+    <Compile Include="Diagnostics\PerspexPropertyValue.cs" />
     <Compile Include="IDescription.cs" />
     <Compile Include="PerspexListExtensions.cs" />
     <Compile Include="IObservableDescription.cs" />
diff --git a/Perspex.Base/PerspexObject.cs b/Perspex.Base/PerspexObject.cs
index b5febbdbdd..be12367034 100644
--- a/Perspex.Base/PerspexObject.cs
+++ b/Perspex.Base/PerspexObject.cs
@@ -12,6 +12,7 @@ namespace Perspex
     using System.Linq;
     using System.Reactive.Linq;
     using System.Reflection;
+    using Perspex.Diagnostics;
     using Splat;
 
     /// <summary>
@@ -379,6 +380,43 @@ namespace Perspex
             return (T)this.GetValue((PerspexProperty)property);
         }
 
+        public IEnumerable<PerspexPropertyValue> GetAllValues()
+        {
+            foreach (PerspexProperty property in this.GetRegisteredProperties())
+            {
+                PriorityValue value;
+
+                if (this.values.TryGetValue(property, out value))
+                {
+                    yield return new PerspexPropertyValue(property, value);
+                }
+                else
+                {
+                    yield return new PerspexPropertyValue(property, this.GetValue(property));
+                }
+            }
+        }
+
+        public IEnumerable<PerspexProperty> GetRegisteredProperties()
+        {
+            Type type = this.GetType();
+
+            while (type != null)
+            {
+                List<PerspexProperty> list;
+
+                if (registered.TryGetValue(type, out list))
+                {
+                    foreach (var p in list)
+                    {
+                        yield return p;
+                    }
+                }
+
+                type = type.GetTypeInfo().BaseType;
+            }
+        }
+
         /// <summary>
         /// Gets all of the <see cref="PerspexProperty"/> values explicitly set on this object.
         /// </summary>
diff --git a/Perspex.Base/PerspexProperty.cs b/Perspex.Base/PerspexProperty.cs
index 05828ad6f9..da1526c4be 100644
--- a/Perspex.Base/PerspexProperty.cs
+++ b/Perspex.Base/PerspexProperty.cs
@@ -150,7 +150,7 @@ namespace Perspex
             Contract.Requires<NullReferenceException>(name != null);
 
             PerspexProperty<TValue> result = new PerspexProperty<TValue>(
-                name,
+                typeof(TOwner) + "." + name,
                 typeof(TOwner),
                 defaultValue,
                 inherits,
diff --git a/Perspex.Controls/Grid.cs b/Perspex.Controls/Grid.cs
index 617cc50982..650a323d57 100644
--- a/Perspex.Controls/Grid.cs
+++ b/Perspex.Controls/Grid.cs
@@ -18,9 +18,6 @@ namespace Perspex.Controls
         public static readonly PerspexProperty<int> ColumnSpanProperty =
             PerspexProperty.RegisterAttached<Grid, Control, int>("ColumnSpan", 1);
 
-        public static readonly PerspexProperty<bool> IsSharedSizeScopeProperty =
-            PerspexProperty.RegisterAttached<Grid, Control, bool>("IsSharedSizeScopeProperty");
-
         public static readonly PerspexProperty<int> RowProperty =
             PerspexProperty.RegisterAttached<Grid, Control, int>("Row");
 
diff --git a/Perspex.Diagnostics/DevTools.cs b/Perspex.Diagnostics/DevTools.cs
index 17f35f08a2..5cd0e2e60d 100644
--- a/Perspex.Diagnostics/DevTools.cs
+++ b/Perspex.Diagnostics/DevTools.cs
@@ -9,6 +9,7 @@ namespace Perspex.Diagnostics
     using Perspex.Controls;
     using System.Reactive.Linq;
     using Perspex.Diagnostics.ViewModels;
+    using System;
 
     public class DevTools : Decorator
     {
@@ -82,6 +83,21 @@ namespace Perspex.Diagnostics
         {
             return new ItemsControl
             {
+                DataTemplates = new DataTemplates
+                {
+                    new DataTemplate<PropertyDetails>(x =>
+                        new StackPanel
+                        {
+                            Gap = 16,
+                            Orientation = Orientation.Horizontal,
+                            Children = new Controls
+                            {
+                                new TextBlock { Text = x.Name },
+                                new TextBlock { Text = Convert.ToString(x.Value) },
+                                new TextBlock { Text = x.Priority },
+                            },
+                        }),
+                },
                 Items = i.Properties,
             };
         }
diff --git a/Perspex.Diagnostics/Perspex.Diagnostics.csproj b/Perspex.Diagnostics/Perspex.Diagnostics.csproj
index 8c39f8cd8c..d57d5f7da3 100644
--- a/Perspex.Diagnostics/Perspex.Diagnostics.csproj
+++ b/Perspex.Diagnostics/Perspex.Diagnostics.csproj
@@ -69,6 +69,7 @@
     <Compile Include="DevTools.cs" />
     <Compile Include="Debug.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ViewModels\PropertyDetails.cs" />
     <Compile Include="ViewModels\ControlDetails.cs" />
     <Compile Include="ViewModels\VisualTreeNode.cs" />
   </ItemGroup>
diff --git a/Perspex.Diagnostics/ViewModels/ControlDetails.cs b/Perspex.Diagnostics/ViewModels/ControlDetails.cs
index 0dd3cfaf77..bd4829b593 100644
--- a/Perspex.Diagnostics/ViewModels/ControlDetails.cs
+++ b/Perspex.Diagnostics/ViewModels/ControlDetails.cs
@@ -6,10 +6,8 @@
 
 namespace Perspex.Diagnostics.ViewModels
 {
-    using System;
     using System.Collections.Generic;
     using System.Linq;
-    using Perspex.Controls;
     using ReactiveUI;
 
     internal class ControlDetails : ReactiveObject
@@ -20,11 +18,11 @@ namespace Perspex.Diagnostics.ViewModels
 
             if (po != null)
             {
-                this.Properties = po.GetSetValues().Select(x => Tuple.Create(x.Item1.Name, x.Item2));
+                this.Properties = po.GetAllValues().Select(x => new PropertyDetails(x));
             }
         }
 
-        public IEnumerable<Tuple<string, object>> Properties
+        public IEnumerable<PropertyDetails> Properties
         {
             get;
             private set;
diff --git a/Perspex.Diagnostics/ViewModels/PropertyDetails.cs b/Perspex.Diagnostics/ViewModels/PropertyDetails.cs
new file mode 100644
index 0000000000..8dc3284e57
--- /dev/null
+++ b/Perspex.Diagnostics/ViewModels/PropertyDetails.cs
@@ -0,0 +1,44 @@
+// -----------------------------------------------------------------------
+// <copyright file="PropertyDetails.cs" company="Steven Kirk">
+// Copyright 2014 MIT Licence. See licence.md for more information.
+// </copyright>
+// -----------------------------------------------------------------------
+
+namespace Perspex.Diagnostics.ViewModels
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using Perspex.Controls;
+    using ReactiveUI;
+
+    internal class PropertyDetails : ReactiveObject
+    {
+        public PropertyDetails(PerspexPropertyValue value)
+        {
+            this.Name = value.Property.Name;
+            this.Value = value.CurrentValue;
+            this.Priority = (value.PriorityValue != null) ?
+                Enum.GetName(typeof(BindingPriority), value.PriorityValue.ValuePriority) :
+                value.Property.Inherits ? "Inherited" : "Unset";
+        }
+
+        public string Name
+        {
+            get;
+            private set;
+        }
+
+        public object Value
+        {
+            get;
+            private set;
+        }
+
+        public string Priority
+        {
+            get;
+            private set;
+        }
+    }
+}