clipforge/ClipForge/App.xaml.cs

using Microsoft.UI.Dispatching;
using Microsoft.UI.Xaml;
using WinRT.Interop;

namespace ClipForge
{
    public partial class App : Application
    {
        public MainWindow? MainWindow { get; private set; }
        public static DispatcherQueue? MainQueue { get; private set; }
        public TrayIconService? TrayIcon { get; private set; }

        public App()
        {
            this.InitializeComponent();
        }

        protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
        {
            MainQueue = DispatcherQueue.GetForCurrentThread();
            MainWindow = new MainWindow();
            MainWindow.Activate();

            var hwnd = WindowNative.GetWindowHandle(MainWindow);
            TrayIcon = new TrayIconService();
            TrayIcon.Initialize(
                hwnd,
                showWindow: () =>
                {
                    MainQueue?.TryEnqueue(() =>
                    {
                        MainWindow?.AppWindow.Show();
                        MainWindow?.Activate();
                    });
                },
                exitApp: () =>
                {
                    MainQueue?.TryEnqueue(() =>
                    {
                        TrayIcon?.Dispose();
                        Microsoft.UI.Xaml.Application.Current.Exit();
                    });
                });
        }
    }
}