Page 352 -
P. 352

graphical interface elements



                     Test Drive





           Enter the code from the previous page into IDLE, save it as hfmix.pyw,
           and press F5 to try it out.                                                 The first version
                                                                                       of the DJ's
                                                                                       program entered in
                                                                                       IDLE.



























                                                                                          The track starts
                                                                                          playing with a click
                                                                                          here and stops playing
                                                                                          with a click here.










          You already know how to display buttons on a GUI and                       That‛s not a
           associate them with event-handling code. What’s new in this               bad start...
           code is the loops = -1 bit, which arranges to play the sound
           repeatedly. That is, the track loops.


           That was almost too easy!


                                                                                       you are here 4    317
   347   348   349   350   351   352   353   354   355   356   357