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58                       Chapter 6: Procedures And Functions



               6.1 Procedures





                                    PROCEDURES:
                         A block of program code that performs a
                                      specific task




                 Function procedure:
                                                        Sub procedure:
            Returns a value after performing
                        its task                     Does not return a value





                                  Types of Sub        Independent
                 Event            procedures:              Sub
              procedure:                               procedure:


                                                        Collection of code
                Sub procedure                           that can be
                 that is associated                     invoked from one
                with a specific                         or more places in
                 object and event                       an application


               Automatically

               processed when                           Not associated with
                 the associated                         an event
               event occurs

                                                        Processed only
                                                        when called
                                                        (invoked)
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