# File lib/tapkit/control/keyvaluecoding.rb, line 171
                def take_stored_value( key, value )
                        unless property_keys.include?(key) then
                                begin
                                        handle_take_value(key, value)
                                rescue UnknownKeyError
                                        _raise_error(self, key)
                                end
                        end
                        _take_stored_value( key, value )
                end