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76 Create an instance of the MyGUI class. 12-25 Window displayed by Program 12-1 3 12-25 Window displayed by Program 12-1 3 r Option 1 f* Option 2 P Option 3 OK I Quit r Option 1 f* Option 2 P Option 3 OK I Quit 12.15 You want the user to be able to select only one item from a group of items. Which type of component would you use for the items, radio buttons or check boxes 12.16 You want the user to be able to select any number of items from a group of items. Which type of component would you...