diff --git a/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MahApps.Metro.Demo.Shared/ExampleViews/TextExamples.xaml b/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MahApps.Metro.Demo.Shared/ExampleViews/TextExamples.xaml
index 7b2896c723..bc293de113 100644
--- a/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MahApps.Metro.Demo.Shared/ExampleViews/TextExamples.xaml
+++ b/src/MahApps.Metro.Samples/MahApps.Metro.Demo/MahApps.Metro.Demo.Shared/ExampleViews/TextExamples.xaml
@@ -346,7 +346,6 @@
                         Margin="{StaticResource ColumnMargin}">
                 <Label Style="{DynamicResource DescriptionHeaderStyle}" Content="HotKeyBox" />
                 <Controls:HotKeyBox Margin="{StaticResource ControlMargin}"
-                                    Controls:ControlsHelper.ContentCharacterCasing="Upper"
                                     AreModifierKeysRequired="{Binding ElementName=ModifierKeysRequired, Path=IsChecked}"
                                     HotKey="{Binding HotKey, ValidatesOnDataErrors=True, UpdateSourceTrigger=PropertyChanged, NotifyOnValidationError=True}"
                                     Watermark="Enter hot key" />
diff --git a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ButtonHelper.cs b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ButtonHelper.cs
index 9533f6390d..82f65fb1e3 100644
--- a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ButtonHelper.cs
+++ b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ButtonHelper.cs
@@ -15,19 +15,14 @@ public static class ButtonHelper
                                                 new FrameworkPropertyMetadata(
                                                     false,
                                                     FrameworkPropertyMetadataOptions.Inherits | FrameworkPropertyMetadataOptions.AffectsMeasure,
-                                                    PreserveTextCasePropertyChangedCallback));
-
-        private static void PreserveTextCasePropertyChangedCallback(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
-        {
-            if (e.NewValue is bool)
-            {
-                var button = dependencyObject as Button;
-                if (button != null)
-                {
-                    ControlsHelper.SetContentCharacterCasing(button, (bool)e.NewValue ? CharacterCasing.Normal : CharacterCasing.Upper);
-                }
-            }
-        }
+                                                    (o, e) =>
+                                                        {
+                                                            var button = o as ButtonBase;
+                                                            if (button != null && e.NewValue is bool)
+                                                            {
+                                                                ControlsHelper.SetContentCharacterCasing(button, (bool)e.NewValue ? CharacterCasing.Normal : CharacterCasing.Upper);
+                                                            }
+                                                        }));
 
         /// <summary>
         /// Overrides the text case behavior for certain buttons.
@@ -52,9 +47,17 @@ public static void SetPreserveTextCase(UIElement element, bool value)
         public static readonly DependencyProperty CornerRadiusProperty
             = DependencyProperty.RegisterAttached("CornerRadius", typeof(CornerRadius), typeof(ButtonHelper),
                                                   new FrameworkPropertyMetadata(
-                                                      new CornerRadius(),
-                                                      FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender));
-        
+                                                      new CornerRadius(-1), // this is not valid, but this property is obsolete, set this to -1 to get the fired property changed callback
+                                                      FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender,
+                                                      (o, e) =>
+                                                          {
+                                                              var element = o as UIElement;
+                                                              if (element != null && e.OldValue != e.NewValue && e.NewValue is CornerRadius)
+                                                              {
+                                                                  ControlsHelper.SetCornerRadius(element, (CornerRadius)e.NewValue);
+                                                              }
+                                                          }));
+
         /// <summary> 
         /// The CornerRadius property allows users to control the roundness of the button corners independently by 
         /// setting a radius value for each corner. Radius values that are too large are scaled so that they
@@ -66,12 +69,12 @@ public static readonly DependencyProperty CornerRadiusProperty
         [AttachedPropertyBrowsableForType(typeof(ToggleButton))]
         public static CornerRadius GetCornerRadius(UIElement element)
         {
-            return ControlsHelper.GetCornerRadius(element);
+            return (CornerRadius)element.GetValue(CornerRadiusProperty);
         }
 
         public static void SetCornerRadius(UIElement element, CornerRadius value)
         {
-            ControlsHelper.SetCornerRadius(element, value);
+            element.SetValue(CornerRadiusProperty, value);
         }
     }
 }
diff --git a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ControlsHelper.cs b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ControlsHelper.cs
index f57665e1b1..46023f17fa 100644
--- a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ControlsHelper.cs
+++ b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/Helper/ControlsHelper.cs
@@ -171,17 +171,27 @@ public static void SetHeaderMargin(UIElement element, Thickness value)
         [Obsolete(@"This property will be deleted in the next release. You should use TextBoxHelper.ButtonWidth instead.")]
         public static readonly DependencyProperty ButtonWidthProperty =
             DependencyProperty.RegisterAttached("ButtonWidth", typeof(double), typeof(ControlsHelper),
-                                                new FrameworkPropertyMetadata(22d, FrameworkPropertyMetadataOptions.AffectsArrange | FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.Inherits));
+                                                new FrameworkPropertyMetadata(
+                                                    22d,
+                                                    FrameworkPropertyMetadataOptions.AffectsArrange | FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.Inherits,
+                                                    (o, e) =>
+                                                        {
+                                                            var element = o as UIElement;
+                                                            if (element != null && e.OldValue != e.NewValue && e.NewValue is double)
+                                                            {
+                                                                TextBoxHelper.SetButtonWidth(element, (double)e.NewValue);
+                                                            }
+                                                        }));
 
         [Category(AppName.MahApps)]
         public static double GetButtonWidth(DependencyObject obj)
         {
-            return TextBoxHelper.GetButtonWidth(obj);
+            return (double)obj.GetValue(ButtonWidthProperty);
         }
 
         public static void SetButtonWidth(DependencyObject obj, double value)
         {
-            TextBoxHelper.SetButtonWidth(obj, value);
+            obj.SetValue(ButtonWidthProperty, value);
         }
 
         public static readonly DependencyProperty FocusBorderBrushProperty = DependencyProperty.RegisterAttached("FocusBorderBrush", typeof(Brush), typeof(ControlsHelper), new FrameworkPropertyMetadata(Brushes.Transparent, FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.Inherits));
diff --git a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/HotKeyBox.cs b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/HotKeyBox.cs
index 6cf41993d8..6dd38de96e 100644
--- a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/HotKeyBox.cs
+++ b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/HotKeyBox.cs
@@ -201,7 +201,7 @@ public class HotKey : IEquatable<HotKey>
         private readonly Key _key;
         private readonly ModifierKeys _modifierKeys;
 
-        public HotKey(Key key, ModifierKeys modifierKeys)
+        public HotKey(Key key, ModifierKeys modifierKeys = ModifierKeys.None)
         {
             _key = key;
             _modifierKeys = modifierKeys;
@@ -255,12 +255,23 @@ public override string ToString()
             }
             if ((_modifierKeys & ModifierKeys.Windows) == ModifierKeys.Windows)
             {
-                sb.Append("WINDOWS+");
+                sb.Append("Windows+");
             }
-            sb.Append(GetLocalizedKeyStringUnsafe(KeyInterop.VirtualKeyFromKey(_key)).ToUpper());
+            sb.Append(GetLocalizedKeyString(_key));
             return sb.ToString();
         }
 
+        private static string GetLocalizedKeyString(Key key)
+        {
+            if (key >= Key.BrowserBack && key <= Key.LaunchApplication2)
+            {
+                return key.ToString();
+            }
+
+            var vkey = KeyInterop.VirtualKeyFromKey(key);
+            return GetLocalizedKeyStringUnsafe(vkey) ?? key.ToString();
+        }
+
         private static string GetLocalizedKeyStringUnsafe(int key)
         {
             // strip any modifier keys
@@ -281,8 +292,8 @@ private static string GetLocalizedKeyStringUnsafe(int key)
                 scanCode |= 0x1000000;
             }
 
-            UnsafeNativeMethods.GetKeyNameText((int)scanCode, sb, 256);
-            return sb.ToString();
+            var resultLength = UnsafeNativeMethods.GetKeyNameText((int)scanCode, sb, 256);
+            return resultLength > 0 ? sb.ToString() : null;
         }
 
     }
diff --git a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/TransitioningContentControl.cs b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/TransitioningContentControl.cs
index a31fd46b42..06326022a9 100644
--- a/src/MahApps.Metro/MahApps.Metro.Shared/Controls/TransitioningContentControl.cs
+++ b/src/MahApps.Metro/MahApps.Metro.Shared/Controls/TransitioningContentControl.cs
@@ -329,8 +329,12 @@ public void ReloadTransition()
 
         private void OnTransitionCompleted(object sender, EventArgs e)
         {
+            var clockGroup = sender as ClockGroup;
             this.AbortTransition();
-            this.TransitionCompleted?.Invoke(this, new RoutedEventArgs());
+            if (clockGroup == null || clockGroup.CurrentState == ClockState.Stopped)
+            {
+                this.TransitionCompleted?.Invoke(this, new RoutedEventArgs());
+            }
         }
 
         public void AbortTransition()
diff --git a/src/MahApps.Metro/MahApps.Metro/Themes/HotKeyBox.xaml b/src/MahApps.Metro/MahApps.Metro/Themes/HotKeyBox.xaml
index c24e6c1b3d..f73b699889 100644
--- a/src/MahApps.Metro/MahApps.Metro/Themes/HotKeyBox.xaml
+++ b/src/MahApps.Metro/MahApps.Metro/Themes/HotKeyBox.xaml
@@ -10,6 +10,7 @@
         <Setter Property="BorderThickness" Value="1" />
         <Setter Property="Controls:ControlsHelper.FocusBorderBrush" Value="{DynamicResource TextBoxFocusBorderBrush}" />
         <Setter Property="Controls:ControlsHelper.MouseOverBorderBrush" Value="{DynamicResource TextBoxMouseOverBorderBrush}" />
+        <Setter Property="Controls:ControlsHelper.ContentCharacterCasing" Value="Upper" />
         <Setter Property="FontFamily" Value="{DynamicResource ContentFontFamily}" />
         <Setter Property="FontSize" Value="{DynamicResource ContentFontSize}" />
         <Setter Property="MinHeight" Value="26" />