BCR.ImageCache.GetPageCacheSize C# (CSharp) Method

        public long GetPageCacheSize()
        {
            DirectoryInfo d = new DirectoryInfo(cache_folder);

              long Size = 0;
              // Add file sizes.
              FileInfo[] fis = d.GetFiles();

              foreach (FileInfo fi in fis)
              {
            Size += fi.Length;
              }

              return Size;
        }