Throw old WinUI in attic

attic/WinUI/App.xaml.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+using Hardcodet.Wpf.TaskbarNotification;
+
+namespace WinUI
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+        private TaskbarIcon tb;
+
+        private void InitApplication()
+        {
+            tb = (TaskbarIcon)FindResource("NotifyIcon");
+            tb.Visibility = Visibility.Visible;
+        }
+    }
+}