FeedCenter/Application/MainWindow/UpdateHandler.cs

using CKaczor.ApplicationUpdate;
using FeedCenter.Properties;
using System.Windows;

namespace FeedCenter
{
    public partial class MainWindow
    {
        private static void InitializeUpdate()
        {
            UpdateCheck.Initialize(ServerType.GitHub,
                Settings.Default.VersionLocation,
                string.Empty,
                Properties.Resources.ApplicationDisplayName,
                ApplicationShutdown,
                ApplicationCurrentMessage,
                ApplicationUpdateMessage);
        }

        private static bool ApplicationUpdateMessage(string title, string message)
        {
            return MessageBox.Show(message, title, MessageBoxButton.YesNo, MessageBoxImage.Question) != MessageBoxResult.Yes;
        }

        private static void ApplicationCurrentMessage(string title, string message)
        {
            MessageBox.Show(message, title, MessageBoxButton.OK, MessageBoxImage.Information);
        }

        private static void ApplicationShutdown()
        {
            Application.Current.Shutdown();
        }

        private void HandleNewVersionLinkClick(object sender, RoutedEventArgs e)
        {
            UpdateCheck.DisplayUpdateInformation(true);
        }
    }
}