diff -r 000000000000 -r 2483f517c562 ui/winui/MainWindow.xaml.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/winui/MainWindow.xaml.h	Sun Jan 21 16:30:18 2024 +0100
@@ -0,0 +1,26 @@
+// Copyright (c) Microsoft Corporation and Contributors.
+// Licensed under the MIT License.
+
+#pragma once
+
+#include "MainWindow.g.h"
+
+namespace winrt::winui::implementation
+{
+    struct MainWindow : MainWindowT<MainWindow>
+    {
+        MainWindow();
+
+        int32_t MyProperty();
+        void MyProperty(int32_t value);
+
+        void myButton_Click(Windows::Foundation::IInspectable const& sender, Microsoft::UI::Xaml::RoutedEventArgs const& args);
+    };
+}
+
+namespace winrt::winui::factory_implementation
+{
+    struct MainWindow : MainWindowT<MainWindow, implementation::MainWindow>
+    {
+    };
+}