1: public override void FinishedPickingMedia(UIImagePickerController picker, NSDictionary info)

   2: {

   3:     //使用下面方式保存图片到你的应用程序中

   4:     UIImage image = (UIImage)info.ObjectForKey(new NSString("UIImagePickerControllerOriginalImage"));

   5:     NSData imageData = image.AsJPEG();

   6:     byte[] imageBytes = new byte[imageData.Length];

   7:     int length = (int)imageData.Length;

   8:     Marshal.Copy(imageData.Bytes, imageBytes, 0, length);

   9:     string destPath = Environment.GetFolderPath(Environment.SpecialFolder.Personal);

  10:     string fileName = "picture.jpg";

  11:     string filePath = Path.Combine(destPath, fileName);

  12:     File.WriteAllBytes(filePath, imageBytes);          

  13:     picker.DismissModalViewControllerAnimated(true);

  14: }