fixed warnings.

Example/App.xaml

@@ -1,7 +1,6 @@
 <Application x:Class="Example.App"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:local="clr-namespace:Example"
              StartupUri="MainWindow.xaml">
     <Application.Resources>
          

Example/App.xaml.cs

@@ -1,11 +1,9 @@
-using System.Windows;
-
-namespace Example
+namespace Example
 {
     /// <summary>
     /// Interaction logic for App.xaml
     /// </summary>
-    public partial class App : Application
+    public partial class App
     {
     }
 }

Example/MainWindow.xaml

@@ -3,7 +3,6 @@
     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:local="clr-namespace:Example"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
     Title="MainWindow"
     Width="800"