Changed the sample from UWP to WinUI

GettingStarted.sln

@@ -1,35 +1,43 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.30317.65
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32922.545
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GettingStarted", "GettingStarted.csproj", "{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GettingStarted", "GettingStarted\GettingStarted.csproj", "{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|arm64 = Debug|arm64
 		Debug|x64 = Debug|x64
 		Debug|x86 = Debug|x86
+		Release|arm64 = Release|arm64
 		Release|x64 = Release|x64
 		Release|x86 = Release|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Debug|x64.ActiveCfg = Debug|x64
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Debug|x64.Build.0 = Debug|x64
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Debug|x64.Deploy.0 = Debug|x64
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Debug|x86.ActiveCfg = Debug|x86
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Debug|x86.Build.0 = Debug|x86
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Debug|x86.Deploy.0 = Debug|x86
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Release|x64.ActiveCfg = Release|x64
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Release|x64.Build.0 = Release|x64
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Release|x64.Deploy.0 = Release|x64
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Release|x86.ActiveCfg = Release|x86
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Release|x86.Build.0 = Release|x86
-		{AAD25AD3-7E43-4209-8F0B-3559FF8B6CD7}.Release|x86.Deploy.0 = Release|x86
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|arm64.ActiveCfg = Debug|arm64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|arm64.Build.0 = Debug|arm64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|arm64.Deploy.0 = Debug|arm64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|x64.ActiveCfg = Debug|x64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|x64.Build.0 = Debug|x64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|x64.Deploy.0 = Debug|x64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|x86.ActiveCfg = Debug|x86
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|x86.Build.0 = Debug|x86
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Debug|x86.Deploy.0 = Debug|x86
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|arm64.ActiveCfg = Release|arm64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|arm64.Build.0 = Release|arm64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|arm64.Deploy.0 = Release|arm64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|x64.ActiveCfg = Release|x64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|x64.Build.0 = Release|x64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|x64.Deploy.0 = Release|x64
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|x86.ActiveCfg = Release|x86
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|x86.Build.0 = Release|x86
+		{85AA4C14-9D2A-40FE-9AE9-A2D40885C614}.Release|x86.Deploy.0 = Release|x86
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {C07F58AB-049D-40F7-BA6F-39BFC9FE285B}
+		SolutionGuid = {E5483570-08F3-4CCA-8760-4F5800233F37}
 	EndGlobalSection
 EndGlobal

App.xaml → GettingStarted/App.xaml

@@ -1,15 +1,15 @@
-<Application
-    x:Class="GettingStarted.App"
-    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:local="using:GettingStarted">
-    <Application.Resources>
-        <ResourceDictionary>
-            <ResourceDictionary.MergedDictionaries>
-                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
-                <!--  Other merged dictionaries here  -->
-            </ResourceDictionary.MergedDictionaries>
-            <!--  Other app resources here  -->
-        </ResourceDictionary>
-    </Application.Resources>
-</Application>
+<Application
+    x:Class="GettingStarted.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:GettingStarted">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+                <!-- Other merged dictionaries here -->
+            </ResourceDictionary.MergedDictionaries>
+            <!-- Other app resources here -->
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

GettingStarted/App.xaml.cs

@@ -0,0 +1,51 @@
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Navigation;
+using Microsoft.UI.Xaml.Shapes;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.ApplicationModel;
+using Windows.ApplicationModel.Activation;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace GettingStarted
+{
+    /// <summary>
+    /// Provides application-specific behavior to supplement the default Application class.
+    /// </summary>
+    public partial class App : Application
+    {
+        /// <summary>
+        /// Initializes the singleton application object.  This is the first line of authored code
+        /// executed, and as such is the logical equivalent of main() or WinMain().
+        /// </summary>
+        public App()
+        {
+            this.InitializeComponent();
+        }
+
+        /// <summary>
+        /// Invoked when the application is launched normally by the end user.  Other entry points
+        /// will be used such as when the application is launched to open a specific file.
+        /// </summary>
+        /// <param name="args">Details about the launch request and process.</param>
+        protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
+        {
+            m_window = new MainWindow();
+            m_window.Activate();
+        }
+
+        private Window m_window;
+    }
+}