/// <summary>
        /// Invoked when the application is launched normally by the end user.  Other entry points
        /// will be used such as when the application is launched to open a specific file.
        /// </summary>
        /// <param name="args">Details about the launch request and process.</param>
        protected override void OnLaunched(LaunchActivatedEventArgs args)
        {
            Logger.Add_TPL($"OnLaunched started with arguments = {args.Arguments} and kind = {args.Kind.ToString()} and prelaunch activated = {args.PrelaunchActivated} and prev exec state = {args.PreviousExecutionState.ToString()}",
                           Logger.AppEventsLogFilename,
                           Logger.Severity.Info,
                           false);

            Frame rootFrame = Window.Current.Content as Frame;

            // Do not repeat app initialization when the Window already has content,
            // just ensure that the window is active
            if (rootFrame == null)
            {
                // Create a Frame to act as the navigation context and navigate to the first page
                rootFrame = new Frame();

                rootFrame.NavigationFailed += OnNavigationFailed;

                //if (e.PreviousExecutionState == ApplicationExecutionState.Terminated)
                //{
                //    //MS TODO: Load state from previously suspended application
                //}
                SuspensionManager.LoadAsync().Wait();

                // Place the frame in the current Window
                Window.Current.Content = rootFrame;
            }

            if (args.PrelaunchActivated == false)
            {
                if (rootFrame.Content == null)
                {
                    // When the navigation stack isn't restored navigate to the first page,
                    // configuring the new page by passing required information as a navigation
                    // parameter
                    rootFrame.Navigate(typeof(MainPage), args.Arguments);
                }
                // Ensure the current window is active
                Window.Current.Activate();
            }
        }