diff --git a/MahApps.Metro/Controls/Flyout.cs b/MahApps.Metro/Controls/Flyout.cs
index e29893e892..05912f9c9f 100644
--- a/MahApps.Metro/Controls/Flyout.cs
+++ b/MahApps.Metro/Controls/Flyout.cs
@@ -1,7 +1,7 @@
 using System;
-using System.Linq;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Controls.Primitives;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Animation;
@@ -15,6 +15,7 @@ namespace MahApps.Metro.Controls
     /// <seealso cref="FlyoutsControl"/>
     /// </summary>
     [TemplatePart(Name = "PART_BackButton", Type = typeof(Button))]
+    [TemplatePart(Name = "PART_WindowTitleThumb", Type = typeof(Thumb))]
     [TemplatePart(Name = "PART_Header", Type = typeof(ContentPresenter))]
     [TemplatePart(Name = "PART_Content", Type = typeof(ContentPresenter))]
     public class Flyout : ContentControl
@@ -212,6 +213,13 @@ public Flyout()
             this.Loaded += (sender, args) => UpdateFlyoutTheme();
         }
 
+        private MetroWindow parentWindow;
+
+        private MetroWindow ParentWindow
+        {
+            get { return this.parentWindow ?? (this.parentWindow = this.TryFindParent<MetroWindow>()); }
+        }
+
         private void UpdateFlyoutTheme()
         {
             var flyoutsControl = this.TryFindParent<FlyoutsControl>();
@@ -221,7 +229,7 @@ private void UpdateFlyoutTheme()
                 this.Visibility = flyoutsControl != null ? Visibility.Collapsed : Visibility.Visible;
             }
 
-            var window = this.TryFindParent<MetroWindow>();
+            var window = this.ParentWindow;
             if (window != null)
             {
                 var windowTheme = DetectTheme(this);
@@ -282,7 +290,7 @@ private static Tuple<AppTheme, Accent> DetectTheme(Flyout flyout)
                 return null;
 
             // first look for owner
-            var window = flyout.TryFindParent<MetroWindow>();
+            var window = flyout.ParentWindow;
             var theme = window != null ? ThemeManager.DetectAppStyle(window) : null;
             if (theme != null && theme.Item2 != null)
                 return theme;
@@ -460,6 +468,7 @@ static Flyout()
         SplineDoubleKeyFrame fadeOutFrame;
         ContentPresenter PART_Header;
         ContentPresenter PART_Content;
+        Thumb windowTitleThumb;
 
         public override void OnApplyTemplate()
         {
@@ -471,7 +480,19 @@ public override void OnApplyTemplate()
 
             PART_Header = (ContentPresenter)GetTemplateChild("PART_Header");
             PART_Content = (ContentPresenter)GetTemplateChild("PART_Content");
-            
+            this.windowTitleThumb = GetTemplateChild("PART_WindowTitleThumb") as Thumb;
+
+            if (this.windowTitleThumb != null)
+            {
+                this.windowTitleThumb.DragDelta -= this.WindowTitleThumbMoveOnDragDelta;
+                this.windowTitleThumb.MouseDoubleClick -= this.WindowTitleThumbChangeWindowStateOnMouseDoubleClick;
+                this.windowTitleThumb.MouseRightButtonUp -= this.WindowTitleThumbSystemMenuOnMouseRightButtonUp;
+
+                this.windowTitleThumb.DragDelta += this.WindowTitleThumbMoveOnDragDelta;
+                this.windowTitleThumb.MouseDoubleClick += this.WindowTitleThumbChangeWindowStateOnMouseDoubleClick;
+                this.windowTitleThumb.MouseRightButtonUp += this.WindowTitleThumbSystemMenuOnMouseRightButtonUp;
+            }
+
             hideStoryboard = (Storyboard)GetTemplateChild("HideStoryboard");
             hideFrame = (SplineDoubleKeyFrame)GetTemplateChild("hideFrame");
             hideFrameY = (SplineDoubleKeyFrame)GetTemplateChild("hideFrameY");
@@ -485,6 +506,44 @@ public override void OnApplyTemplate()
             ApplyAnimation(Position, AnimateOpacity);
         }
 
+        protected internal void CleanUp(FlyoutsControl flyoutsControl)
+        {
+            if (this.windowTitleThumb != null)
+            {
+                this.windowTitleThumb.DragDelta -= this.WindowTitleThumbMoveOnDragDelta;
+                this.windowTitleThumb.MouseDoubleClick -= this.WindowTitleThumbChangeWindowStateOnMouseDoubleClick;
+                this.windowTitleThumb.MouseRightButtonUp -= this.WindowTitleThumbSystemMenuOnMouseRightButtonUp;
+            }
+            this.parentWindow = null;
+        }
+
+        private void WindowTitleThumbMoveOnDragDelta(object sender, DragDeltaEventArgs dragDeltaEventArgs)
+        {
+            var window = this.ParentWindow;
+            if (window != null && this.Position != Position.Bottom)
+            {
+                MetroWindow.DoWindowTitleThumbMoveOnDragDelta(window, dragDeltaEventArgs);
+            }
+        }
+
+        private void WindowTitleThumbChangeWindowStateOnMouseDoubleClick(object sender, MouseButtonEventArgs mouseButtonEventArgs)
+        {
+            var window = this.ParentWindow;
+            if (window != null && this.Position != Position.Bottom)
+            {
+                MetroWindow.DoWindowTitleThumbChangeWindowStateOnMouseDoubleClick(window, mouseButtonEventArgs);
+            }
+        }
+
+        private void WindowTitleThumbSystemMenuOnMouseRightButtonUp(object sender, MouseButtonEventArgs e)
+        {
+            var window = this.ParentWindow;
+            if (window != null && this.Position != Position.Bottom)
+            {
+                MetroWindow.DoWindowTitleThumbSystemMenuOnMouseRightButtonUp(window, e);
+            }
+        }
+
         internal void ApplyAnimation(Position position, bool animateOpacity, bool resetShowFrame = true)
         {
             if (root == null || hideFrame == null || showFrame == null || hideFrameY == null || showFrameY == null || fadeOutFrame == null)
diff --git a/MahApps.Metro/Controls/FlyoutsControl.cs b/MahApps.Metro/Controls/FlyoutsControl.cs
index ad6c7486ec..66a2ae226c 100644
--- a/MahApps.Metro/Controls/FlyoutsControl.cs
+++ b/MahApps.Metro/Controls/FlyoutsControl.cs
@@ -58,6 +58,12 @@ protected override void PrepareContainerForItemOverride(DependencyObject element
             this.AttachHandlers((Flyout)element);
         }
 
+        protected override void ClearContainerForItemOverride(DependencyObject element, object item)
+        {
+            ((Flyout) element).CleanUp(this);
+            base.ClearContainerForItemOverride(element, item);
+        }
+
         private void AttachHandlers(Flyout flyout)
         {
             var isOpenNotifier = new PropertyChangeNotifier(flyout, Flyout.IsOpenProperty);
diff --git a/MahApps.Metro/Controls/MetroWindow.cs b/MahApps.Metro/Controls/MetroWindow.cs
index 82905574b9..bcd9a0436c 100644
--- a/MahApps.Metro/Controls/MetroWindow.cs
+++ b/MahApps.Metro/Controls/MetroWindow.cs
@@ -10,6 +10,7 @@
 using MahApps.Metro.Native;
 using System.Windows.Shapes;
 using System.Collections.Generic;
+using System.Windows.Controls.Primitives;
 
 namespace MahApps.Metro.Controls
 {
@@ -19,6 +20,7 @@ namespace MahApps.Metro.Controls
     [TemplatePart(Name = PART_Icon, Type = typeof(UIElement))]
     [TemplatePart(Name = PART_TitleBar, Type = typeof(UIElement))]
     [TemplatePart(Name = PART_WindowTitleBackground, Type = typeof(UIElement))]
+    [TemplatePart(Name = PART_WindowTitleThumb, Type = typeof(Thumb))]
     [TemplatePart(Name = PART_LeftWindowCommands, Type = typeof(WindowCommands))]
     [TemplatePart(Name = PART_RightWindowCommands, Type = typeof(WindowCommands))]
     [TemplatePart(Name = PART_WindowButtonCommands, Type = typeof(WindowButtonCommands))]
@@ -31,6 +33,7 @@ public class MetroWindow : Window
         private const string PART_Icon = "PART_Icon";
         private const string PART_TitleBar = "PART_TitleBar";
         private const string PART_WindowTitleBackground = "PART_WindowTitleBackground";
+        private const string PART_WindowTitleThumb = "PART_WindowTitleThumb";
         private const string PART_LeftWindowCommands = "PART_LeftWindowCommands";
         private const string PART_RightWindowCommands = "PART_RightWindowCommands";
         private const string PART_WindowButtonCommands = "PART_WindowButtonCommands";
@@ -99,6 +102,7 @@ public class MetroWindow : Window
         UIElement icon;
         UIElement titleBar;
         UIElement titleBarBackground;
+        Thumb windowTitleThumb;
         internal ContentPresenter LeftWindowCommandsPresenter;
         internal ContentPresenter RightWindowCommandsPresenter;
         internal WindowButtonCommands WindowButtonCommands;
@@ -890,6 +894,7 @@ public override void OnApplyTemplate()
             icon = GetTemplateChild(PART_Icon) as UIElement;
             titleBar = GetTemplateChild(PART_TitleBar) as UIElement;
             titleBarBackground = GetTemplateChild(PART_WindowTitleBackground) as UIElement;
+            this.windowTitleThumb = GetTemplateChild(PART_WindowTitleThumb) as Thumb;
 
             this.SetVisibiltyForAllTitleElements(this.TitlebarHeight > 0);
         }
@@ -897,22 +902,16 @@ public override void OnApplyTemplate()
         private void ClearWindowEvents()
         {
             // clear all event handlers first:
-            if (titleBarBackground != null)
+            if (this.windowTitleThumb != null)
             {
-                titleBarBackground.MouseDown -= TitleBarMouseDown;
-                titleBarBackground.MouseUp -= TitleBarMouseUp;
-            }
-            if (titleBar != null)
-            {
-                titleBar.MouseDown -= TitleBarMouseDown;
-                titleBar.MouseUp -= TitleBarMouseUp;
+                this.windowTitleThumb.DragDelta -= this.WindowTitleThumbMoveOnDragDelta;
+                this.windowTitleThumb.MouseDoubleClick -= this.WindowTitleThumbChangeWindowStateOnMouseDoubleClick;
+                this.windowTitleThumb.MouseRightButtonUp -= this.WindowTitleThumbSystemMenuOnMouseRightButtonUp;
             }
             if (icon != null)
             {
                 icon.MouseDown -= IconMouseDown;
             }
-            MouseDown -= TitleBarMouseDown;
-            MouseUp -= TitleBarMouseUp;
             SizeChanged -= MetroWindow_SizeChanged;
         }
 
@@ -927,30 +926,17 @@ private void SetWindowEvents()
                 icon.MouseDown += IconMouseDown;
             }
 
-            // handle mouse events for PART_WindowTitleBackground -> MetroWindow
-            if (titleBarBackground != null && titleBarBackground.Visibility == Visibility.Visible)
+            if (this.windowTitleThumb != null)
             {
-                titleBarBackground.MouseDown += TitleBarMouseDown;
-                titleBarBackground.MouseUp += TitleBarMouseUp;
+                this.windowTitleThumb.DragDelta += this.WindowTitleThumbMoveOnDragDelta;
+                this.windowTitleThumb.MouseDoubleClick += this.WindowTitleThumbChangeWindowStateOnMouseDoubleClick;
+                this.windowTitleThumb.MouseRightButtonUp += this.WindowTitleThumbSystemMenuOnMouseRightButtonUp;
             }
 
-            // handle mouse events for PART_TitleBar -> MetroWindow
-            if (titleBar != null && titleBar.Visibility == Visibility.Visible)
-            {
-                titleBar.MouseDown += TitleBarMouseDown;
-                titleBar.MouseUp += TitleBarMouseUp;
-
-                // special title resizing for centered title
-                if (titleBar.GetType() == typeof(Grid))
-                {
-                    SizeChanged += MetroWindow_SizeChanged;
-                }
-            }
-            else
+            // handle size if we have a Grid for the title (e.g. clean window have a centered title)
+            if (titleBar != null && titleBar.GetType() == typeof(Grid))
             {
-                // handle mouse events for windows without PART_WindowTitleBackground or PART_TitleBar
-                MouseDown += TitleBarMouseDown;
-                MouseUp += TitleBarMouseUp;
+                SizeChanged += MetroWindow_SizeChanged;
             }
         }
 
@@ -969,49 +955,82 @@ private void IconMouseDown(object sender, MouseButtonEventArgs e)
             }
         }
 
-        protected void TitleBarMouseDown(object sender, MouseButtonEventArgs e)
+        private void WindowTitleThumbMoveOnDragDelta(object sender, DragDeltaEventArgs dragDeltaEventArgs)
+        {
+            DoWindowTitleThumbMoveOnDragDelta(this, dragDeltaEventArgs);
+        }
+
+        private void WindowTitleThumbChangeWindowStateOnMouseDoubleClick(object sender, MouseButtonEventArgs mouseButtonEventArgs)
+        {
+            DoWindowTitleThumbChangeWindowStateOnMouseDoubleClick(this, mouseButtonEventArgs);
+        }
+
+        private void WindowTitleThumbSystemMenuOnMouseRightButtonUp(object sender, MouseButtonEventArgs e)
         {
-            // if UseNoneWindowStyle = true no movement, no maximize please
-            if (e.ChangedButton == MouseButton.Left && !this.UseNoneWindowStyle)
+            DoWindowTitleThumbSystemMenuOnMouseRightButtonUp(this, e);
+        }
+
+        internal static void DoWindowTitleThumbMoveOnDragDelta(MetroWindow window, DragDeltaEventArgs dragDeltaEventArgs)
+        {
+            // drag only if IsWindowDraggable is set to true
+            if (!window.IsWindowDraggable ||
+                (!(Math.Abs(dragDeltaEventArgs.HorizontalChange) > 2) &&
+                 !(Math.Abs(dragDeltaEventArgs.VerticalChange) > 2))) return;
+
+            var windowHandle = new WindowInteropHelper(window).Handle;
+            var cursorPos = Standard.NativeMethods.GetCursorPos();
+
+            // if the window is maximized dragging is only allowed on title bar (also if not visible)
+            var windowIsMaximized = window.WindowState == WindowState.Maximized;
+            var isMouseOnTitlebar = cursorPos.y <= window.TitlebarHeight && window.TitlebarHeight > 0;
+            if (!isMouseOnTitlebar && windowIsMaximized)
             {
-                var mPoint = Mouse.GetPosition(this);
+                return;
+            }
 
-                if (IsWindowDraggable)
-                {
-                    IntPtr windowHandle = new WindowInteropHelper(this).Handle;
-                    UnsafeNativeMethods.ReleaseCapture();
-                    var wpfPoint = this.PointToScreen(mPoint);
-                    var x = Convert.ToInt16(wpfPoint.X);
-                    var y = Convert.ToInt16(wpfPoint.Y);
-                    var lParam = (int) (uint) x | (y << 16);
-                    UnsafeNativeMethods.SendMessage(windowHandle, Constants.WM_NCLBUTTONDOWN, Constants.HT_CAPTION, lParam);
-                }
+            if (windowIsMaximized)
+            {
+                window.Top = 2;
+                window.Left = Math.Max(cursorPos.x - window.RestoreBounds.Width / 2, 0);
+            }
+            var lParam = (int)(uint)cursorPos.x | (cursorPos.y << 16);
+            Standard.NativeMethods.SendMessage(windowHandle, Standard.WM.LBUTTONUP, (IntPtr)Standard.HT.CAPTION, (IntPtr)lParam);
+            Standard.NativeMethods.SendMessage(windowHandle, Standard.WM.SYSCOMMAND, (IntPtr)Standard.SC.MOUSEMOVE, IntPtr.Zero);
+        }
 
-                var canResize = this.ResizeMode == ResizeMode.CanResizeWithGrip || this.ResizeMode == ResizeMode.CanResize;
+        internal static void DoWindowTitleThumbChangeWindowStateOnMouseDoubleClick(MetroWindow window, MouseButtonEventArgs mouseButtonEventArgs)
+        {
+            // restore/maximize only with left button
+            if (mouseButtonEventArgs.ChangedButton == MouseButton.Left)
+            {
                 // we can maximize or restore the window if the title bar height is set (also if title bar is hidden)
-                var isMouseOnTitlebar = mPoint.Y <= this.TitlebarHeight && this.TitlebarHeight > 0;
-                if (e.ClickCount == 2 && canResize && isMouseOnTitlebar)
+                var canResize = window.ResizeMode == ResizeMode.CanResizeWithGrip || window.ResizeMode == ResizeMode.CanResize;
+                var mousePos = Mouse.GetPosition(window);
+                var isMouseOnTitlebar = mousePos.Y <= window.TitlebarHeight && window.TitlebarHeight > 0;
+                if (canResize && isMouseOnTitlebar)
                 {
-                    if (this.WindowState == WindowState.Maximized)
+                    if (window.WindowState == WindowState.Maximized)
                     {
-                        Microsoft.Windows.Shell.SystemCommands.RestoreWindow(this);
+                        Microsoft.Windows.Shell.SystemCommands.RestoreWindow(window);
                     }
                     else
                     {
-                        Microsoft.Windows.Shell.SystemCommands.MaximizeWindow(this);
+                        Microsoft.Windows.Shell.SystemCommands.MaximizeWindow(window);
                     }
+                    mouseButtonEventArgs.Handled = true;
                 }
             }
         }
 
-        protected void TitleBarMouseUp(object sender, MouseButtonEventArgs e)
+        internal static void DoWindowTitleThumbSystemMenuOnMouseRightButtonUp(MetroWindow window, MouseButtonEventArgs e)
         {
-            if (ShowSystemMenuOnRightClick)
+            if (window.ShowSystemMenuOnRightClick)
             {
-                var mousePosition = e.GetPosition(this);
-                if (e.ChangedButton == MouseButton.Right && (UseNoneWindowStyle || mousePosition.Y <= TitlebarHeight))
+                // show menu only if mouse pos is on title bar or if we have a window with none style and no title bar
+                var mousePos = e.GetPosition(window);
+                if ((mousePos.Y <= window.TitlebarHeight && window.TitlebarHeight > 0) || (window.UseNoneWindowStyle && window.TitlebarHeight <= 0))
                 {
-                    ShowSystemMenuPhysicalCoordinates(this, PointToScreen(mousePosition));
+                    ShowSystemMenuPhysicalCoordinates(window, window.PointToScreen(mousePos));
                 }
             }
         }
diff --git a/MahApps.Metro/MahApps.Metro.NET45.csproj b/MahApps.Metro/MahApps.Metro.NET45.csproj
index cd3a328e33..184de5b9b1 100644
--- a/MahApps.Metro/MahApps.Metro.NET45.csproj
+++ b/MahApps.Metro/MahApps.Metro.NET45.csproj
@@ -642,6 +642,10 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
+    <Page Include="Themes\Thumb.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Themes\Tile.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/MahApps.Metro/MahApps.Metro.csproj b/MahApps.Metro/MahApps.Metro.csproj
index 9ee1adad54..7b281af575 100644
--- a/MahApps.Metro/MahApps.Metro.csproj
+++ b/MahApps.Metro/MahApps.Metro.csproj
@@ -593,6 +593,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Themes\Thumb.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
     <Page Include="Themes\Tile.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
diff --git a/MahApps.Metro/Microsoft.Windows.Shell/Standard/NativeMethods.cs b/MahApps.Metro/Microsoft.Windows.Shell/Standard/NativeMethods.cs
index c2a0a29c51..27f920948b 100644
--- a/MahApps.Metro/Microsoft.Windows.Shell/Standard/NativeMethods.cs
+++ b/MahApps.Metro/Microsoft.Windows.Shell/Standard/NativeMethods.cs
@@ -1160,6 +1160,7 @@ internal enum SC
     {
         SIZE = 0xF000,
         MOVE = 0xF010,
+        MOUSEMOVE = 0xF012,
         MINIMIZE = 0xF020,
         MAXIMIZE = 0xF030,
         NEXTWINDOW = 0xF040,
diff --git a/MahApps.Metro/Themes/Flyout.xaml b/MahApps.Metro/Themes/Flyout.xaml
index 78208adc23..c8d2879f3e 100644
--- a/MahApps.Metro/Themes/Flyout.xaml
+++ b/MahApps.Metro/Themes/Flyout.xaml
@@ -7,6 +7,7 @@
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Colors.xaml" />
         <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Themes/Thumb.xaml" />
     </ResourceDictionary.MergedDictionaries>
 
     <DataTemplate x:Key="HeaderTemplate"
@@ -231,6 +232,10 @@
                                       DockPanel.Dock="Bottom" />
                 </DockPanel>
             </AdornerDecorator>
+            <Thumb Style="{StaticResource WindowTitleThumbStyle}"
+                   Height="{Binding Path=TitlebarHeight, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Controls:MetroWindow}}}"
+                   VerticalAlignment="Top"
+                   x:Name="PART_WindowTitleThumb" />
         </Grid>
         <ControlTemplate.Triggers>
             <DataTrigger Binding="{Binding Position, RelativeSource={RelativeSource Self}}"
diff --git a/MahApps.Metro/Themes/MetroWindow.xaml b/MahApps.Metro/Themes/MetroWindow.xaml
index e27a04017e..556eec4de4 100644
--- a/MahApps.Metro/Themes/MetroWindow.xaml
+++ b/MahApps.Metro/Themes/MetroWindow.xaml
@@ -6,6 +6,7 @@
 
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.TextBlock.xaml" />
+        <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Themes/Thumb.xaml" />
     </ResourceDictionary.MergedDictionaries>
 
     <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
@@ -92,6 +93,12 @@
                         </ContentControl.Foreground>
                     </ContentControl>
 
+                    <Thumb Grid.Row="0"
+                           Grid.Column="0"
+                           Grid.ColumnSpan="5"
+                           Style="{StaticResource WindowTitleThumbStyle}"
+                           x:Name="PART_WindowTitleThumb" />
+
                     <!-- the right window commands -->
                     <ContentPresenter x:Name="PART_RightWindowCommands"
                                       Focusable="False"
@@ -214,6 +221,9 @@
         </ControlTemplate.Resources>
         
         <ControlTemplate.Triggers>
+            <Trigger Property="UseNoneWindowStyle" Value="True">
+                <Setter TargetName="PART_WindowTitleThumb" Property="Grid.RowSpan" Value="2" />
+            </Trigger>
             <!-- handle active/inactive state -->
             <Trigger Property="IsActive"
                      Value="False">
@@ -364,6 +374,12 @@
                         </Label>
                     </Grid>
 
+                    <Thumb Grid.Row="0"
+                           Grid.Column="0"
+                           Grid.ColumnSpan="5"
+                           Style="{StaticResource WindowTitleThumbStyle}"
+                           x:Name="PART_WindowTitleThumb" />
+
                     <!-- the right window commands -->
                     <ContentPresenter x:Name="PART_RightWindowCommands"
                                       Focusable="False"
@@ -486,6 +502,9 @@
         </ControlTemplate.Resources>
 
         <ControlTemplate.Triggers>
+            <Trigger Property="UseNoneWindowStyle" Value="True">
+                <Setter TargetName="PART_WindowTitleThumb" Property="Grid.RowSpan" Value="2" />
+            </Trigger>
             <!-- handle active/inactive state -->
             <Trigger Property="IsActive"
                      Value="False">
diff --git a/MahApps.Metro/Themes/Thumb.xaml b/MahApps.Metro/Themes/Thumb.xaml
new file mode 100644
index 0000000000..ec2c600abe
--- /dev/null
+++ b/MahApps.Metro/Themes/Thumb.xaml
@@ -0,0 +1,15 @@
+<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+
+    <Style TargetType="{x:Type Thumb}" x:Key="WindowTitleThumbStyle">
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="Template">
+            <Setter.Value>
+                <ControlTemplate>
+                    <Grid Background="{TemplateBinding Background}" />
+                </ControlTemplate>
+            </Setter.Value>
+        </Setter>
+    </Style>
+
+</ResourceDictionary>
\ No newline at end of file