编辑：我不断收到 OutOfMemoryException 未处理，我认为这是我将图像保存到隔离存储的方式，我认为这是我可以解决问题的地方，如何在保存之前减小图像的大小？（在我保存图像的地方添加了代码）
我从独立存储中打开图像，有时超过 100 张图像，我想循环播放这些图像，但是OutOfMemory Exception当故事板中加载了大约 100 到 150 张图像时，我得到了一个。我该如何处理这个异常，我已经降低了图像的分辨率。如何处理此异常并阻止我的应用程序崩溃？
我在这里得到了这一行的例外
image.SetSource(isStoreTwo.OpenFile(projectFolder + "\\MyImage" + i + ".jpg", FileMode.Open, FileAccess.Read));//images from isolated storage
这是我的代码
private void OnLoaded(object sender, RoutedEventArgs e)
{
IsolatedStorageFile isStoreTwo = IsolatedStorageFile.GetUserStoreForApplication();
try
{
storyboard = new Storyboard
{
//RepeatBehavior = RepeatBehavior.Forever
};
var animation = new ObjectAnimationUsingKeyFrames();
Storyboard.SetTarget(animation, projectImage);
Storyboard.SetTargetProperty(animation, new PropertyPath("Source"));
storyboard.Children.Add(animation);
for (int i = 1; i <= savedCounter; i++)
{
BitmapImage image = new BitmapImage();
image.SetSource(isStoreTwo.OpenFile(projectFolder + "\\MyImage" + i + ".jpg", FileMode.Open, FileAccess.Read));//images from isolated storage
var keyframe = new DiscreteObjectKeyFrame
{
KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(100 * i)),
Value = image
};
animation.KeyFrames.Add(keyframe);
}
}
catch (OutOfMemoryException exc)
{
//throw;
}
Resources.Add("ProjectStoryBoard", storyboard);
storyboard.Begin();
}
编辑 这就是我将图像保存到隔离存储的方式，我认为这是我可以解决问题的地方，如何在将图像保存到隔离存储时减小图像的大小？
void cam_CaptureImageAvailable(object sender, Microsoft.Devices.ContentReadyEventArgs e)
{
string fileName = folderName+"\\MyImage" + savedCounter + ".jpg";
try
{
// Save picture to the library camera roll.
//library.SavePictureToCameraRoll(fileName, e.ImageStream);
// Set the position of the stream back to start
e.ImageStream.Seek(0, SeekOrigin.Begin);
// Save picture as JPEG to isolated storage.
using (IsolatedStorageFile isStore = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream targetStream = isStore.OpenFile(fileName, FileMode.Create, FileAccess.Write))
{
// Initialize the buffer for 4KB disk pages.
byte[] readBuffer = new byte[4096];
int bytesRead = -1;
// Copy the image to isolated storage.
while ((bytesRead = e.ImageStream.Read(readBuffer, 0, readBuffer.Length)) > 0)
{
targetStream.Write(readBuffer, 0, bytesRead);
}
}
}
}
finally
{
// Close image stream
e.ImageStream.Close();
}
}
如果您能帮助我，我将不胜感激。