public SubscriptionsPage()
        {
            InitializeComponent();

            CheckForSubscriptionUpdatesCheckBox.IsChecked = GlobalConsts.CheckForSubscriptionUpdates;

            GlobalConsts.HideSubscriptionsButton();
            GlobalConsts.ShowHelpButton();
            GlobalConsts.ShowSettingsButton();
            GlobalConsts.ShowHomeButton();
            GlobalConsts.ShowAboutButton();

            void UpdateSize(object s, SizeChangedEventArgs e)
            {
                GridScrollViewer.Height    = Subscriptions.Count * 105;
                GridScrollViewer.MaxHeight = GlobalConsts.GetOffset() - 165;
                GridScrollViewer.UpdateLayout();
            }

            GlobalConsts.Current.SizeChanged += UpdateSize;
            Unloaded += (s, e) => GlobalConsts.Current.SizeChanged -= UpdateSize;


            SubscriptionsUpdateDelayTextBox.Text = GlobalConsts.SubscriptionsUpdateDelay.TotalMinutes.ToString();
            FillSubscriptions().ConfigureAwait(false);
        }