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Lesson 15. Controlling Movie Clips Dynam... > Building Continuous-Feedback Buttons

Building Continuous-Feedback Buttons

It's sometimes useful to have actions executed continually while a button is being clicked. A button set up to enable continuous execution is known as a continuous-feedback button—and a scroll button (the focus of this exercise) is a perfect example.

If you wanted to scroll through a list of information in a window, you would quickly become frustrated if you had to click a button every time you wanted to make the information scroll up or down. Far less frustrating is a button that needs to be clicked just once to scroll continuously until the button is released. In Flash, you can create this type of functionality by using the onEnterFrame clip event with a button, as we'll soon demonstrate.


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