diff --git a/Src/Examples/CustomNotificationsExample/CustomNotificationsExample.csproj b/Src/Examples/CustomNotificationsExample/CustomNotificationsExample.csproj
index 1f31fa7..4c0ece8 100644
--- a/Src/Examples/CustomNotificationsExample/CustomNotificationsExample.csproj
+++ b/Src/Examples/CustomNotificationsExample/CustomNotificationsExample.csproj
@@ -34,12 +34,15 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="MahApps.Metro, Version=1.5.0.23, Culture=neutral, PublicKeyToken=f4fb5a3c4d1e5b4f, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\MahApps.Metro.1.5.0\lib\net45\MahApps.Metro.dll</HintPath>
+    <Reference Include="ControlzEx, Version=3.0.2.4, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\ControlzEx.3.0.2.4\lib\net45\ControlzEx.dll</HintPath>
+    </Reference>
+    <Reference Include="MahApps.Metro, Version=1.6.5.1, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\MahApps.Metro.1.6.5\lib\net45\MahApps.Metro.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Windows.Interactivity, Version=4.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\MahApps.Metro.1.5.0\lib\net45\System.Windows.Interactivity.dll</HintPath>
+      <HintPath>..\..\packages\ControlzEx.3.0.2.4\lib\net45\System.Windows.Interactivity.dll</HintPath>
     </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
diff --git a/Src/Examples/CustomNotificationsExample/MainWindow.xaml b/Src/Examples/CustomNotificationsExample/MainWindow.xaml
index aef6a08..601a126 100644
--- a/Src/Examples/CustomNotificationsExample/MainWindow.xaml
+++ b/Src/Examples/CustomNotificationsExample/MainWindow.xaml
@@ -6,13 +6,20 @@
         xmlns:local="clr-namespace:CustomNotificationsExample"
         xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"
         mc:Ignorable="d"
-        Title="MainWindow" Height="90" Width="500">
+        Title="MainWindow" Height="600" Width="800">
     <Grid>
         <StackPanel VerticalAlignment="Center" Orientation="Horizontal">
             <Button Content="Custom message" Margin="5" Padding="5" Click="CustomMessage_Click"/>
             <Button Content="Custom command" Margin="5" Padding="5" Click="CustomCommand_Click"/>
             <Button Content="Custom input" Margin="5" Padding="5" Click="CustomInput_Click"/>
             <Button Content="MahApps command" Margin="5" Padding="5" Click="MahApps_Click"/>
+            <Button Content="Show child window" Margin="5" Padding="5" Click="Show_ChildWindow">
+                <Button.ContextMenu>
+                    <ContextMenu>
+                        <MenuItem Header="Show child window" Click="Show_ChildWindow" />
+                    </ContextMenu>
+                </Button.ContextMenu>
+            </Button>
         </StackPanel>
     </Grid>
 </Controls:MetroWindow>
diff --git a/Src/Examples/CustomNotificationsExample/MainWindow.xaml.cs b/Src/Examples/CustomNotificationsExample/MainWindow.xaml.cs
index 1c9d23a..8fb4d51 100644
--- a/Src/Examples/CustomNotificationsExample/MainWindow.xaml.cs
+++ b/Src/Examples/CustomNotificationsExample/MainWindow.xaml.cs
@@ -27,7 +27,7 @@ public MainWindow()
             _notifier = new Notifier(cfg =>
             {
                 cfg.LifetimeSupervisor = new TimeAndCountBasedLifetimeSupervisor(TimeSpan.FromSeconds(15), MaximumNotificationCount.FromCount(15));
-                cfg.PositionProvider = new PrimaryScreenPositionProvider(Corner.BottomRight, 10, 10);
+                cfg.PositionProvider = new WindowPositionProvider(this, Corner.BottomRight, 10, 10);
                 cfg.KeyboardEventHandler = new AllowedSourcesInputEventHandler(new []{ typeof(CustomInputDisplayPart) });
             });
         }
@@ -59,5 +59,11 @@ private void MahApps_Click(object sender, RoutedEventArgs e)
             _notifier.ShowMahAppsNotification("MahApps notification", "This is custom notification with MahApps styles");
         }
 
+        private void Show_ChildWindow(object sender, RoutedEventArgs e)
+        {
+            var childWindow = new MainWindow();
+            childWindow.ShowActivated = true;
+            childWindow.Show();
+        }
     }
 }
diff --git a/Src/Examples/CustomNotificationsExample/packages.config b/Src/Examples/CustomNotificationsExample/packages.config
index 087aea0..c444da8 100644
--- a/Src/Examples/CustomNotificationsExample/packages.config
+++ b/Src/Examples/CustomNotificationsExample/packages.config
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MahApps.Metro" version="1.5.0" targetFramework="net452" />
+  <package id="ControlzEx" version="3.0.2.4" targetFramework="net452" />
+  <package id="MahApps.Metro" version="1.6.5" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Src/ToastNotifications/Display/NotificationsWindow.xaml.cs b/Src/ToastNotifications/Display/NotificationsWindow.xaml.cs
index f14c358..2a32719 100644
--- a/Src/ToastNotifications/Display/NotificationsWindow.xaml.cs
+++ b/Src/ToastNotifications/Display/NotificationsWindow.xaml.cs
@@ -16,7 +16,7 @@ public partial class NotificationsWindow : Window
     {
         private IKeyboardEventHandler _keyboardEventHandler;
 
-        public NotificationsWindow()
+        public NotificationsWindow(Window owner)
         {
             InitializeComponent();
 
@@ -24,15 +24,6 @@ public NotificationsWindow()
             Closing += NotificationsWindow_Closing;
 
             ShowInTaskbar = false;
-            Visibility = Visibility.Hidden;
-        }
-
-        public NotificationsWindow(Window owner)
-        {
-            InitializeComponent();
-
-            Loaded += NotificationsWindow_Loaded;
-            Closing += NotificationsWindow_Closing;
 
             Owner = owner;
         }