在WPF中显示GIF图片并实现循环播放

 1  public class ImageGifView : MediaElement
 2  {
 3         public ImageGifView() 
 4         {
 5             this.Loaded+=ImageGifView_Loaded;
 6         }
 7 
 8         private void ImageGifView_Loaded(object sender, RoutedEventArgs e)
 9         {
10 
11             this.Source = new Uri(imgSource, UriKind.Absolute);
12             this.Width = ImgWidth;
13             this.Height = ImgHeight;
14             this.LoadedBehavior = MediaState.Manual;
15             this.Stretch = Stretch.Fill;
16             this.Play();
17 
18             //循环播放
19             if (!IsOncePlay)
20             {
21                 this.MediaEnded += ImageGifView_MediaEnded;
22             }
23 
24         }
25 
26         /// <summary>
27         /// 结束后事件
28         /// </summary>
29         /// <param name="sender"></param>
30         /// <param name="e"></param>
31         private void ImageGifView_MediaEnded(object sender, RoutedEventArgs e)
32         {
33 
34             MediaElement media = (MediaElement)sender;
35             media.Position = TimeSpan.FromMilliseconds(1);
36             media.Play();
37 
38         }
39 }