FeedCenter/Application/FeedChooserWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Windows;

namespace FeedCenter
{
    public partial class FeedChooserWindow
    {
        private string _returnLink;

        public FeedChooserWindow()
        {
            InitializeComponent();
        }

        public string Display(Window owner, List<Tuple<string, string>> rssLinks)
        {
            // Bind to the list
            FeedDataGrid.ItemsSource = rssLinks;
            FeedDataGrid.SelectedIndex = 0;

            // Set the window owner
            Owner = owner;

            ShowDialog();

            return _returnLink;
        }

        private void Save()
        {
            var selectedItem = (Tuple<string, string>) FeedDataGrid.SelectedItem;

            _returnLink = selectedItem.Item1;

            Close();
        }

        private void HandleOkayButtonClick(object sender, RoutedEventArgs e)
        {
            Save();
        }

        private void HandleMouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            if (FeedDataGrid.SelectedItem != null)
            {
                Save();
            }
        }
    }
}