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

using Microsoft.AspNetCore.Mvc;
using ElectronNET.API;
using ElectronNET.API.Entities;

namespace ElectronNET.WebApp.Controllers
{
    public class TrayController : Controller
    {
        public IActionResult Index()
        {
            Electron.IpcMain.On("put-in-tray", (args) => {

                if (Electron.Tray.Items.Count == 0)
                {
                    var menu = new MenuItem
                    {
                        Label = "Remove",
                        Click = () => Electron.Tray.Destroy()
                    };

                    Electron.Tray.Show("/Assets/electron_32x32.png", menu);
                    Electron.Tray.SetToolTip("Electron Demo in the tray.");
                }
                else
                {
                    Electron.Tray.Destroy();
                }

            });

            return View();
        }
    }
}