public static RETURN UseAndCloseService<SERVICE, RETURN>
 (Func<SERVICE, RETURN> block) where SERVICE : class,
 ICommunicationObject, new()
{
 SERVICE service = null;
 try
 {
 service = new SERVICE();
 return block.Invoke(service);
 }
 finally
 {
 if (service != null)
 CloseWCFService(service);
 }
}