/// <summary>
 /// Handles the click event of the button
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 private void Button_Click(object sender, RoutedEventArgs e)
 {
     var newW = new AddFeed();
     newW.ShowDialog();
     if (newW.DialogResult.HasValue && newW.DialogResult.Value)
     {
         loadNewSearchString = true;
         LoadComboBox();
         ComboBox.SelectedIndex = ComboBox.Items.Count - 1;
     }
 }
        /// <summary>
        /// Handles the click event of the button
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            var newW = new AddFeed();

            newW.ShowDialog();
            if (newW.DialogResult.HasValue && newW.DialogResult.Value)
            {
                loadNewSearchString = true;
                LoadComboBox();
                ComboBox.SelectedIndex = ComboBox.Items.Count - 1;
            }
        }