SaveImages

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using System.Threading.Tasks;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.Graphics.Imaging;
using Windows.Storage;
using Windows.Storage.Streams;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Media.Imaging;
using Windows.UI.Xaml.Navigation;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkID=390556

namespace Word_Finder
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class ShareResultPage : Page
    {
        Windows.Storage.ApplicationDataContainer localSettings = Windows.Storage.ApplicationData.Current.LocalSettings;
        DispatcherTimer _timer;

        public ShareResultPage()
        {
            this.InitializeComponent();
            _timer = new DispatcherTimer();
            _timer.Interval = new TimeSpan(0, 0, 1);  // 1 second
            _timer.Tick += _timer_Tick;


            int x = int.Parse(localSettings.Values["CurrLevel"].ToString());
            int y = int.Parse(localSettings.Values["CurrPoints"].ToString());
            txtResultSharing.Text = string.Format("I have earned {0} points in {1} levels", y.ToString(), x.ToString());
            txtResultSharing1.Text = string.Format("I have earned {0} points in {1} levels", y.ToString(), x.ToString());
            ResultGrid.Visibility = Visibility.Visible;
            ResultGrid.UpdateLayout();

            _timer.Start();
        }

        private void _timer_Tick(object sender, object e)
        {
            _timer.Stop();
            DrawToFile();
        }

        /// <summary>
        /// Invoked when this page is about to be displayed in a Frame.
        /// </summary>
        /// <param name="e">Event data that describes how this page was reached.
        /// This parameter is typically used to configure the page.</param>
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
        }

        private async Task DrawToFile()
        {
            Random rnd = new Random();
            string[] heroImages = { "ms-appx:///Assets/result/h (1).png", 
                                "ms-appx:///Assets/result/h (2).png", 
                                "ms-appx:///Assets/result/h (3).png", 
                                "ms-appx:///Assets/result/h (4).png", 
                                "ms-appx:///Assets/result/h (5).png", 
                                "ms-appx:///Assets/result/h (6).png",
                                "ms-appx:///Assets/result/h (7).png",
                                "ms-appx:///Assets/result/h (8).png",
                                "ms-appx:///Assets/result/h (9).png",
                                "ms-appx:///Assets/result/h (10).png",
                                "ms-appx:///Assets/result/h (11).png",
                                "ms-appx:///Assets/result/h (12).png",
                                "ms-appx:///Assets/result/h (13).png",
                                "ms-appx:///Assets/result/h (14).png",
                                "ms-appx:///Assets/result/h (15).png",
                                "ms-appx:///Assets/result/h (16).png",
                                "ms-appx:///Assets/result/h (17).png",
                                "ms-appx:///Assets/result/h (18).png",
                                "ms-appx:///Assets/result/h (19).png",
                                "ms-appx:///Assets/result/h (20).png",
                                "ms-appx:///Assets/result/h (21).png",
                                "ms-appx:///Assets/result/h (22).png",
                                "ms-appx:///Assets/result/h (23).png" };
            string[] backImages = { "ms-appx:///Assets/result/b (1).png", 
                                "ms-appx:///Assets/result/b (2).png", 
                                "ms-appx:///Assets/result/b (3).png", 
                                "ms-appx:///Assets/result/b (5).png", 
                                "ms-appx:///Assets/result/b (6).png" };
            var imageBrushX = new ImageBrush
            {
                ImageSource = new BitmapImage(new Uri(backImages[rnd.Next(5)]))
            };
            var imageBrushT = new ImageBrush
            {
                ImageSource = new BitmapImage(new Uri(heroImages[rnd.Next(22)]))
            };

            SuperHeroName.Background = imageBrushT;
            ResultGrid.Background = imageBrushX;

            RenderTargetBitmap renderTargetBitmapZ = new RenderTargetBitmap();
            await renderTargetBitmapZ.RenderAsync(ResultGrid);
            var pixels = await renderTargetBitmapZ.GetPixelsAsync();

            var file = await KnownFolders.PicturesLibrary.CreateFileAsync("picresult.jpg", CreationCollisionOption.ReplaceExisting);

            using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.ReadWrite))
            {
                var encoder = await
                    BitmapEncoder.CreateAsync(BitmapEncoder.JpegEncoderId, stream);
                byte[] bytes = pixels.ToArray();
                encoder.SetPixelData(BitmapPixelFormat.Bgra8,
                                     BitmapAlphaMode.Ignore,
                                     (uint)renderTargetBitmapZ.PixelWidth,
                                     (uint)renderTargetBitmapZ.PixelHeight,
                                     96, 96, bytes);
                await encoder.FlushAsync();
            }
        }
    }
}