Silverlight中大图片的加载进度

使用System.Windows.Media.Imaging.BitmapImage类的DownloadProgress事件，再配合ProgressBar等控件即可做出进度条效果，下面代码中就只简单的使用TextBlock显示进度

1、MainPage.xaml代码

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2、MainPage.xaml.cs代码

class MainPage : UserControl

   2: {

   3:     BitmapImage bitmapImage;

   4:  

public MainPage()

   6:     {

   7:         InitializeComponent();

new RoutedEventHandler(MainPage_Loaded);

   9:     }

  10:  

object sender, RoutedEventArgs e)

  12:     {

new BitmapImage();

  14:         img.Source = bitmapImage;

);

  16:         img.Stretch = Stretch.Fill;

new EventHandler<DownloadProgressEventArgs>(bitmapImage_DownloadProgress);

  18:     }

  19:  

object sender, DownloadProgressEventArgs e)

  21:     {

, e.Progress);

  23:     }

  24: }