Update test UI to allow testing for binding

Author: marcelwgn

tests/PagerControlPolyFill.TestApp/App.xaml.cs

@@ -41,8 +41,9 @@ public App()
 		/// <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 = new Window();
 			m_window.Activate();
+			m_window.Content = new MainPage();
 		}
 
 		private Window m_window;

tests/PagerControlPolyFill.TestApp/MainWindow.xaml renamed to tests/PagerControlPolyFill.TestApp/MainPage.xaml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Window
-    x:Class="PagerControlPolyfill.TestApp.MainWindow"
+<Page
+    x:Class="PagerControlPolyfill.TestApp.MainPage"
     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"
@@ -59,6 +59,9 @@
                 DisplayMode="ButtonPanel"
                 ButtonPanelAlwaysShowFirstLastPageIndex="True"/>
 
+            <TextBlock Text="Binding tester"/>
+            <pager:PagerControl SelectedPageIndex="{x:Bind SelectedPageIndexBind, Mode=TwoWay}" NumberOfPages="20"/>
+
         </StackPanel>
 
         <ScrollViewer Grid.Column="1" HorizontalScrollMode="Enabled" HorizontalScrollBarVisibility="Visible">
@@ -257,4 +260,4 @@
             </Grid>
         </ScrollViewer>
     </Grid>
-</Window>
+</Page>

tests/PagerControlPolyFill.TestApp/MainWindow.xaml.cs renamed to tests/PagerControlPolyFill.TestApp/MainPage.xaml.cs

@@ -22,9 +22,9 @@ namespace PagerControlPolyfill.TestApp
 	/// <summary>
 	/// An empty window that can be used on its own or navigated to within a Frame.
 	/// </summary>
-	public sealed partial class MainWindow : Window
+	public sealed partial class MainPage : Page
 	{
-		public MainWindow()
+		public MainPage()
 		{
 			this.InitializeComponent();
 			RootGrid.Loaded += OnLoad;
@@ -38,6 +38,14 @@ public MainWindow()
 		Button nextPageButton;
 		Button lastPageButton;
 
+		public int SelectedPageIndexBind
+		{
+			get { return (int)GetValue(SelectedPageIndexBindProperty); }
+			set { SetValue(SelectedPageIndexBindProperty, value); }
+		}
+		public static readonly DependencyProperty SelectedPageIndexBindProperty =
+			DependencyProperty.Register("SelectedPageIndexBind", typeof(int), typeof(MainPage), new PropertyMetadata(5));
+
 		private void OnLoad(object sender, RoutedEventArgs args)
 		{
 			PagerDisplayModeComboBox.SelectionChanged += OnDisplayModeChanged;