Electron.NET/ElectronNET.WebApp/Controllers/NotificationsController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using ElectronNET.API;
using ElectronNET.API.Entities;

namespace ElectronNET.WebApp.Controllers
{
    public class NotificationsController : Controller
    {
        public IActionResult Index()
        {
            Electron.IpcMain.On("basic-noti", (args) => {

                var options = new NotificationOptions("Basic Notification", "Short message part")
                {
                    OnClick = async () => await Electron.Dialog.ShowMessageBoxAsync("Notification clicked")
                };

                Electron.Notification.Show(options);

            });

            Electron.IpcMain.On("advanced-noti", (args) => {

                var options = new NotificationOptions("Notification with image", "Short message plus a custom image")
                {
                    OnClick = async () => await Electron.Dialog.ShowMessageBoxAsync("Notification clicked"),
                    Icon = "/assets/img/programming.png"
                };

                Electron.Notification.Show(options);
            });

            return View();
        }
    }
}