    # File ../lib/fox/iterators.rb, line 185
        def FXFileStream.open(filename, save_or_load, container=nil) # :yields: theFileStream
          fstream = FXFileStream.new(container)
          status = fstream.open(filename, save_or_load)
          if block_given?
            begin
              yield fstream
            ensure
              fstream.close
            end
          else
            fstream
          end
        end