Offline errors fix

FoxTube/Classes/Methods.cs

@@ -3,6 +3,7 @@ using System;
 using System.Diagnostics;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using Windows.ApplicationModel.Core;
 using Windows.UI;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
@@ -11,13 +12,18 @@ using Windows.UI.Xaml.Media;
 
 namespace FoxTube
 {
-    class Methods
+    public static class Methods
     {
         public static MainPage MainPage
         {
             get { return (Window.Current.Content as Frame).Content as MainPage; }
         }
 
+        public static void CloseApp()
+        {
+            CoreApplication.Exit();
+        }
+
         public static string GetAgo(DateTime dateTime)
         {
             TimeSpan span = DateTime.Now - dateTime;