Uso de notificaciones de aplicación con una aplicación de .NET

En su App.xaml.cs, regístrese para recibir notificaciones en el controlador de eventos Startup. Debe registrar el controlador NotificationInvokedantes de llamar a Register.

En primer lugar, actualice App.xaml para usar un Startup controlador de eventos en lugar de StartupUri:

App.xaml

<Application x:Class="WpfNotifications.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             Startup="OnStartup">
</Application>

A continuación, implemente la lógica de control de notificaciones y inicio:

App.xaml.cs

using System.Windows;
using Microsoft.Windows.AppNotifications;

namespace WpfNotifications;

public partial class App : Application
{
    private void OnStartup(object sender, StartupEventArgs e)
    {
        // Register the notification handler before calling Register
        AppNotificationManager.Default.NotificationInvoked += OnNotificationInvoked;
        AppNotificationManager.Default.Register();

        // Show the main window
        var mainWindow = new MainWindow();
        mainWindow.Show();
    }

    private void OnNotificationInvoked(
        AppNotificationManager sender, 
        AppNotificationActivatedEventArgs args)
    {
        // NotificationInvoked is raised on a background thread,
        // so dispatch to the UI thread for any UI updates
        Current.Dispatcher.Invoke(() =>
        {
            // Parse args.Argument to determine what action to take.
            // args.Argument contains the arguments from the notification
            // or button that was clicked, as key=value pairs separated
            // by '&', for example "action=reply&conversationId=9813".
        });
    }

    protected override void OnExit(ExitEventArgs e)
    {
        AppNotificationManager.Default.Unregister();
        base.OnExit(e);
    }
}

En Program.cs, regístrese para recibir notificaciones antes de llamar a Application.Run(). Debe registrar el controlador NotificationInvoked antes de llamar a Register.

Program.cs

using Microsoft.Windows.AppNotifications;

namespace WinFormsNotifications;

static class Program
{
    [STAThread]
    static void Main()
    {
        // Register the notification handler before calling Register
        AppNotificationManager.Default.NotificationInvoked += OnNotificationInvoked;
        AppNotificationManager.Default.Register();

        ApplicationConfiguration.Initialize();
        Application.Run(new Form1());

        // Unregister when the app exits
        AppNotificationManager.Default.Unregister();
    }

    private static void OnNotificationInvoked(
        AppNotificationManager sender,
        AppNotificationActivatedEventArgs args)
    {
        // NotificationInvoked is raised on a background thread,
        // so use Control.Invoke to marshal to the UI thread
        var form = Application.OpenForms.Count > 0 
            ? Application.OpenForms[0] as Form1 
            : null;

        form?.Invoke(() =>
        {
            // Parse args.Argument to determine what action to take.
            // args.Argument contains the arguments from the notification
            // or button that was clicked, as key=value pairs separated
            // by '&', for example "action=reply&conversationId=9813".
        });
    }
}

MainWindow.xaml.cs

Form1.cs