sdk/samples/all in on code/Visual Studio 2008/CSWPFAnimatedImage/MainWindow.xaml.cs

   1 /************************************* Module Header **************************************\
   2 * Module Name:  MainWindow.xaml.cs
   3 * Project:      CSWPFDataBinding
   4 * Copyright (c) Microsoft Corporation.
   5 *
   6 * The sample demonstrates how to display a series of photos just like a digital
   7 * picuture frame with a "Wipe" effect.
   8 *
   9 *
  10 * This source is subject to the Microsoft Public License.
  11 * See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL.
  12 * All other rights reserved.
  13 *
  14 * History:
  15 * * 11/23/2009 3:00 PM Linda Liu Created
  16  *
  17 \******************************************************************************************/
  18
  19 using System;
  20 using System.Collections.Generic;
  21 using System.Linq;
  22 using System.Text;
  23 using System.Windows;
  24 using System.Windows.Controls;
  25 using System.Windows.Data;
  26 using System.Windows.Documents;
  27 using System.Windows.Input;
  28 using System.Windows.Media;
  29 using System.Windows.Media.Imaging;
  30 using System.Windows.Navigation;
  31 using System.Windows.Shapes;
  32 using System.Windows.Media.Animation;
  33
  34 namespace CSWPFAnimatedImage
  35 {
  36     /// <summary>
  37     /// Interaction logic for Window1.xaml
  38     /// </summary>
  39     public partial class MainWindow : Window
  40     {
  41         public MainWindow()
  42         {
  43             InitializeComponent();
  44         }
  45
  46         int nextImageIndex;
  47         List<BitmapImage> images = new List<BitmapImage>();
  48
  49         private void Window_Loaded(object sender, RoutedEventArgs e)
  50         {
  51             // initialize the images collection
  52             images.Add(new BitmapImage(new Uri("Images/image1.jpg", UriKind.Relative)));
  53             images.Add(new BitmapImage(new Uri("Images/image2.jpg", UriKind.Relative)));
  54             images.Add(new BitmapImage(new Uri("Images/image3.jpg", UriKind.Relative)));
  55             images.Add(new BitmapImage(new Uri("Images/image4.jpg", UriKind.Relative)));
  56
  57             nextImageIndex = 2;
  58         }
  59
  60         private void VisbleToInvisible_Completed(object sender, EventArgs e)
  61         {
  62             // change the source of the myImage1 to the next image to be shown
  63             // and increase the nextImageIndex
  64             this.myImage1.Source = images[nextImageIndex++];
  65
  66             // if the nextImageIndex exceeds the top bound of the ocllection,
  67             // get it to 0 so as to show the first image next time
  68             if (nextImageIndex == images.Count)
  69             {
  70                 nextImageIndex = 0;
  71             }
  72
  73             // get the InvisibleToVisible storyboard and start it
  74             Storyboard sb = this.FindResource("InvisibleToVisible") as Storyboard;
  75             sb.Begin(this);
  76
  77         }
  78
  79         private void InvisibleToVisible_Completed(object sender, EventArgs e)
  80         {
  81             // change the source of the myImage2 to the next image to be shown
  82             // and increase the nextImageIndex
  83             this.myImage2.Source = images[nextImageIndex++];
  84
  85             // if the nextImageIndex exceeds the top bound of the ocllection,
  86             // get it to 0 so as to show the first image next time
  87             if (nextImageIndex == images.Count)
  88             {
  89                 nextImageIndex = 0;
  90             }
  91
  92             // get the VisibleToInvisible storyboard and start it
  93             Storyboard sb = this.FindResource("VisibleToInvisible") as Storyboard;
  94             sb.Begin(this);
  95         }
  96
  97     }
  98 }