說明：（1）使用Visual Studio 2010新建一個WPF應用程序項目，
（2）然后將WPF項目名稱保存為：WpfApplication1，
（3）接著將下面的代碼復制到MainWindow.cs文件中
（4）在C：\盤根目錄下新建一個文件夾，名稱為temp
（5）將需要播放的圖片復制到該文件夾下。
（6）編譯運行程序即可。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Media.Animation;
using System.IO;
?
namespace WpfApplication1
{
??? /// <summary>
??? /// MainWindow.xaml 的交互邏輯
??? /// </summary>
??? public partial class MainWindow : Window
??? {
??????? Storyboard myStoryboard;
??????? Storyboard ibstoryboard;
??????? string[] files;
?
??????? Image myImage;
??????? public MainWindow()
??????? {
??????????? InitializeComponent();
??????????? GetImageFileInfo();
?
??????????? NameScope.SetNameScope(this, new NameScope());????????????
??????????? StackPanel myPanel = new StackPanel();
??????????? myPanel.Margin = new Thickness(10);
??????????? this.Title = "淡入淡出特效顯示";
??????????? this.WindowState = WindowState.Maximized;
??????????? this.WindowStyle = System.Windows.WindowStyle.None;???????????? this.Topmost = true;
??????????? myImage = new Image();
??????????? myImage.Name = "myImage";
?
??????????? this.RegisterName(myImage.Name, myImage);
??????????? myImage.Width = SystemParameters.PrimaryScreenWidth; ;
??????????? myImage.Height = SystemParameters.PrimaryScreenHeight;
?
??????????? ObjectAnimationUsingKeyFrames myObjectAnimation = new
ObjectAnimationUsingKeyFrames();
??????????? myObjectAnimation.Duration = new Duration(TimeSpan.FromSeconds(25));
??????????? for (int i = 0; i < files.Length; i++)
??????????? {
??????????????? ImageBrush ib = new ImageBrush();
??????????????? ib.ImageSource = new BitmapImage(new Uri(files[i].ToString()));
??????????????? myObjectAnimation.KeyFrames.Add(new
DiscreteObjectKeyFrame(ib.ImageSource,
KeyTime.FromTimeSpan(TimeSpan.FromSeconds(5 * i))));
??????????? }
??????????? myObjectAnimation.AutoReverse = true;
??????????? myObjectAnimation.RepeatBehavior = RepeatBehavior.Forever;
??????????? Storyboard.SetTargetName(myObjectAnimation, myImage.Name);
??????????? Storyboard.SetTargetProperty(myObjectAnimation, new
PropertyPath(Image.SourceProperty));
??????????? ibstoryboard = new Storyboard();
??????????? ibstoryboard.Children.Add(myObjectAnimation);
?
??????????? DoubleAnimation myDoubleAnimation = new DoubleAnimation();
??????????? myDoubleAnimation.From = 0.0;
??????????? myDoubleAnimation.To = 1.0;
??????????? myDoubleAnimation.Duration = new Duration(TimeSpan.FromSeconds(5));
??????????? myDoubleAnimation.AutoReverse = true;
??????????? myDoubleAnimation.RepeatBehavior = RepeatBehavior.Forever;
?
??????????? myStoryboard = new Storyboard();
??????????? myStoryboard.Children.Add(myDoubleAnimation);
??????????? Storyboard.SetTargetName(myDoubleAnimation, myImage.Name);
??????????? Storyboard.SetTargetProperty(myDoubleAnimation, new
PropertyPath(Image.OpacityProperty));
?
??????????? // Use the Loaded event to start the Storyboard.
??????????? myImage.Loaded += new RoutedEventHandler(myImageLoaded);
?
??????????? myPanel.Children.Add(myImage);
??????????? this.Content = myPanel;???????? }
??????? private void myImageLoaded(object sender, RoutedEventArgs e)
??????? {
??????????? myStoryboard.Begin(this);
??????????? ibstoryboard.Begin(this);
??????? }
??????? private void GetImageFileInfo()
??????? {???????????????????????
??????????? string temp = @"c:\temp\";
??????????? files = Directory.GetFiles(temp, "*.jpg");
??????? }
?
??????? private void Window_KeyDown(object sender, KeyEventArgs e)
??????? {
??????????? if (e.Key == Key.Escape)
??????????? {
??????????????? MessageBoxResult yesno;
??????????????? yesno = MessageBox.Show("確定要退出程序嗎？","退出程序提示
",MessageBoxButton.YesNo);
??????????????? if(yesno == MessageBoxResult.Yes)
??????????????????? this.Close();???????????????
?
??????????? }
??????? }
?
??? }
}
?

轉載于:https://www.cnblogs.com/dodui/archive/2012/03/29/2423223.html

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