Add a PreviousButton to the app. When the PreviousButton is clicked, the previous picture should appear (e.g., the 2nd if the 3rd is showing). If the 1st pic is showing, clicking PreviousButton should cause the last picture to be displayed (it should wrap around like NextButton does).
Add text-to-speech to the app-- when each picture appears, have the app say something (e.g. the name of the woman in the picture). To code this, you'll need a second list variable (e.g., nameList), which holds the text to be spoken for each picture, and you'll need to add code to Screen.Opens and NextButton.Click.
Auto-show: Add a StartButton that, when clicked, results in the next picture appearing every 2 seconds without a click, and wrapping around indefinitely. The auto-show should end when the Next or Previous Button is clicked.
Make a copy of the app and name it SlideshowEnable. This app should not “wrap around” when the front or end of list is reached. Instead, when the last picture in the list appears, the NextButton should be disabled. When the first picture in the list appears, including on launch, the PreviousButton should be disabled. Be sure and re-enable these buttons at the appropriate times-- Next should only be disabled when on last, Previous disabled when on first
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