Revert everything back. Mission failed.

Wino.Mail.WinUI/Views/WelcomePage.xaml.cs

@@ -1,17 +1,31 @@
-using Wino.Views.Abstract;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Navigation;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
 
 namespace Wino.Views
 {
-    public sealed partial class WelcomePage : WelcomePageAbstract
+    /// <summary>
+    /// An empty page that can be used on its own or navigated to within a Frame.
+    /// </summary>
+    public sealed partial class WelcomePage : Page
     {
         public WelcomePage()
         {
-            InitializeComponent();
+            this.InitializeComponent();
         }
-
-        //private async void HyperlinkClicked(object sender, Microsoft.Toolkit.Uwp.UI.Controls.LinkClickedEventArgs e)
-        //{
-        //    await Launcher.LaunchUriAsync(new System.Uri(e.Link));
-        //}
     }
 }