public static ImageSource Load(string packagePath, string localPath, double dpi = 96)
        {
            return(s_packageImageCache.GetOrCreate(UnifiedPath.Combine(packagePath, localPath),
                                                   () =>
            {
                try
                {
                    using (var stream = new PackageStream(packagePath, localPath))
                    {
                        BitmapSource image = BitmapImageEx.FromStream(stream);

                        if (image.DpiX != dpi || image.DpiY != dpi)
                        {
                            image = image.ChangeDPI(dpi);
                        }

                        image.Freeze();
                        return (ImageSource)image;
                    }
                }
                catch (Exception)
                {
                    return null;
                }
            }));
        }