add sample test application

TestingApplication/App.xaml

@@ -0,0 +1,18 @@
+<Application x:Class="TestingApplication.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:TestingApplication"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+        <ResourceDictionary>
+
+            <ResourceDictionary.MergedDictionaries>
+                <ThemesDictionary  Theme="Light"/>
+                <ControlsDictionary />
+
+            </ResourceDictionary.MergedDictionaries>
+
+        </ResourceDictionary>
+
+    </Application.Resources>
+</Application>

TestingApplication/App.xaml.cs

@@ -0,0 +1,14 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace TestingApplication
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+
+}

TestingApplication/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

TestingApplication/MainWindow.xaml

@@ -0,0 +1,17 @@
+<Window x:Class="TestingApplication.MainWindow"
+        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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:TestingApplication"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+        <StackPanel Margin="10">
+            <Button Content="Click Me" Click="clickEvent" Width="200" />
+            <TextBlock Text="Loren Ipsum Dolor Sit" />
+            <Slider  />
+            <TextBox Text="TextBox Content..." />
+        </StackPanel>
+    </Grid>
+</Window>

TestingApplication/MainWindow.xaml.cs

@@ -0,0 +1,29 @@
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace TestingApplication
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        private void clickEvent(object sender, RoutedEventArgs e)
+        {
+            MessageBox.Show("Button Clicked");
+        }
+    }
+}

TestingApplication/TestingApplication.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<OutputType>WinExe</OutputType>
+		<TargetFramework>net9.0-windows</TargetFramework>
+		<Nullable>enable</Nullable>
+		<ImplicitUsings>enable</ImplicitUsings>
+		<UseWPF>true</UseWPF>
+		<PlatformTarget>x64</PlatformTarget>
+	</PropertyGroup>
+	<PropertyGroup>
+		<WpfRepoRoot>C:\Users\hmishra\Desktop\Git\dotnet\wpf</WpfRepoRoot>
+	</PropertyGroup>
+	<Import Project="$(WpfRepoRoot)\eng\wpf-debug.targets" />
+</Project>

ThemingTest.sln

@@ -7,6 +7,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Win11ThemeTest", "Win11Them
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Win11ThemeSampleApp", "Win11ThemeSampleApp\Win11ThemeSampleApp.csproj", "{B46630F2-08F2-4883-B581-9AB61DF68384}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TestingApplication", "TestingApplication\TestingApplication.csproj", "{6BEE0660-871A-4750-9269-A80712474401}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -31,6 +33,14 @@ Global
 		{B46630F2-08F2-4883-B581-9AB61DF68384}.Release|Any CPU.Build.0 = Release|x64
 		{B46630F2-08F2-4883-B581-9AB61DF68384}.Release|x64.ActiveCfg = Release|x64
 		{B46630F2-08F2-4883-B581-9AB61DF68384}.Release|x64.Build.0 = Release|x64
+		{6BEE0660-871A-4750-9269-A80712474401}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6BEE0660-871A-4750-9269-A80712474401}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6BEE0660-871A-4750-9269-A80712474401}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{6BEE0660-871A-4750-9269-A80712474401}.Debug|x64.Build.0 = Debug|Any CPU
+		{6BEE0660-871A-4750-9269-A80712474401}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6BEE0660-871A-4750-9269-A80712474401}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6BEE0660-871A-4750-9269-A80712474401}.Release|x64.ActiveCfg = Release|Any CPU
+		{6BEE0660-871A-4750-9269-A80712474401}.Release|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE