feat: Adding new AppWindow APIs

src/Uno.UWP/Generated/3.0.0.0/Microsoft.UI.Windowing/AppWindow.cs

@@ -24,7 +24,7 @@ public bool IsShownInSwitchers
 		}
 #endif
 		// Skipping already declared property Id
-#if __ANDROID__ || __IOS__ || IS_UNIT_TESTS || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "IS_UNIT_TESTS", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public bool IsVisible
 		{
@@ -44,7 +44,7 @@ public bool IsVisible
 			}
 		}
 #endif
-#if __ANDROID__ || __IOS__ || IS_UNIT_TESTS || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "IS_UNIT_TESTS", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public global::Windows.Graphics.PointInt32 Position
 		{
@@ -55,7 +55,7 @@ public bool IsVisible
 		}
 #endif
 		// Skipping already declared property Presenter
-#if __ANDROID__ || __IOS__ || IS_UNIT_TESTS || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "IS_UNIT_TESTS", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public global::Windows.Graphics.SizeInt32 Size
 		{
@@ -76,7 +76,7 @@ public bool IsVisible
 			}
 		}
 #endif
-#if __ANDROID__ || __IOS__ || IS_UNIT_TESTS || __WASM__ || __SKIA__ || __NETSTD_REFERENCE__ || __MACOS__
+#if false
 		[global::Uno.NotImplemented("__ANDROID__", "__IOS__", "IS_UNIT_TESTS", "__WASM__", "__SKIA__", "__NETSTD_REFERENCE__", "__MACOS__")]
 		public global::Microsoft.UI.Dispatching.DispatcherQueue DispatcherQueue
 		{

src/Uno.UWP/Microsoft/UI/Windowing/AppWindow.cs

@@ -6,9 +6,14 @@
 using Microsoft.UI.Windowing.Native;
 using Windows.UI.ViewManagement;
 using MUXWindowId = Microsoft.UI.WindowId;
+using Windows.Graphics;
+using Microsoft.UI.Dispatching;
 
 namespace Microsoft.UI.Windowing;
 
+/// <summary>
+/// Represents a system-managed container for the content of an app.
+/// </summary>
 #if HAS_UNO_WINUI
 public
 #else
@@ -28,6 +33,8 @@ internal AppWindow()
 	{
 		Id = new(Interlocked.Increment(ref _windowIdIterator));
 
+		TitleBar = new(this);
+
 		_windowIdMap[Id] = this;
 		ApplicationView.GetOrCreateForWindowId(Id);
 	}
@@ -39,6 +46,43 @@ internal AppWindow()
 	/// </summary>
 	public AppWindowTitleBar TitleBar { get; } = new AppWindowTitleBar();
 
+	/// Gets the current size of the window's client area in client coordinates.
+	/// </summary>
+	public SizeInt32 ClientSize => _nativeAppWindow.ClientSize;
+
+	/// <summary>
+	/// Gets the dispatcher queue associated with the app window.
+	/// </summary>
+	public DispatcherQueue DispatcherQueue => _nativeAppWindow.DispatcherQueue;
+
+	/// <summary>
+	/// Gets the identifier for the app window.
+	/// </summary>
+	public MUXWindowId Id { get; }
+
+	/// <summary>
+	/// Gets a value that indicates whether the window is shown.
+	/// </summary>
+	public bool IsVisible => _nativeAppWindow.IsVisible;
+
+	/// <summary>
+	/// Gets the current position of the window in screen coordinates.
+	/// </summary>
+	public PointInt32 Position => _nativeAppWindow.Position;
+
+	/// <summary>
+	/// Gets the currently applied presenter for the app window.
+	/// </summary>
+	public AppWindowPresenter Presenter => _presenter;
+
+	/// <summary>
+	/// Gets the current size of the window in screen coordinates.
+	/// </summary>
+	public SizeInt32 Size => _nativeAppWindow.Size;
+
+	/// <summary>
+	/// Gets or sets the displayed title of the app window.
+	/// </summary>
 	public string Title
 	{
 		get => _nativeAppWindow is not null ? _nativeAppWindow.Title : _titleCache;
@@ -53,6 +97,8 @@ public string Title
 		}
 	}
 
+	public AppWindowTitleBar TitleBar { get; }
+
 	internal void SetNativeWindow(INativeAppWindow nativeAppWindow)
 	{
 		if (nativeAppWindow is null)
@@ -78,10 +124,6 @@ internal void SetNativeWindow(INativeAppWindow nativeAppWindow)
 
 	internal static MUXWindowId MainWindowId { get; } = new(1);
 
-	public MUXWindowId Id { get; }
-
-	public AppWindowPresenter Presenter => _presenter;
-
 	public static AppWindow GetFromWindowId(MUXWindowId windowId)
 	{
 		if (!_windowIdMap.TryGetValue(windowId, out var appWindow))

src/Uno.UWP/Microsoft/UI/Windowing/Native/INativeAppWindow.cs

@@ -3,13 +3,35 @@
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using Microsoft.UI.Dispatching;
 using Microsoft.UI.Windowing;
+using Windows.Graphics;
 
 namespace Microsoft.UI.Windowing.Native;
 
 internal interface INativeAppWindow
 {
 	string Title { get; set; }
 
+	bool IsVisible { get; }
+
+	PointInt32 Position { get; }
+
+	SizeInt32 Size { get; }
+
+	SizeInt32 ClientSize { get; }
+
+	DispatcherQueue DispatcherQueue { get; }
+
+	void Destroy();
+
+	void Hide();
+
+	void Move(PointInt32 position);
+
+	void Resize(SizeInt32 size);
+
+	void Show(bool activateWindow);
+
 	void SetPresenter(AppWindowPresenter presenter);
 }