public void SecureUpdate(string accessKey, long siteId, long fileId, long[] groupIds, string title, string description, string fileFullPath, string fileContent, string size)
{
FileLibrary fl = new FileLibrary();
System.IO.Stream fileStream = new System.IO.MemoryStream(Convert.FromBase64String(fileContent));
fl.Update(fileId, groupIds, title, description, fileFullPath, fileStream, null, size);
}