macromedia DIRECTOR MX 1002004 training from the source [Electronic resources] نسخه متنی

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macromedia DIRECTOR MX 1002004 training from the source [Electronic resources] - نسخه متنی

Dave Mennenoh

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Chapter 5. Introducing Lingo



What You Will Learn


In this lesson, you will:



Learn about Director''s event hierarchy



Be introduced to the DOM and core objects



Build a generalized button behavior



Learn about properties and variables



Create a custom dialog for a behavior



Learn to fade sounds using Lingo




Approximate Time


This lesson should take you about 2 hours to complete.


Lesson Files


Media Files:


None


Starting Files:


events.dir


portfolio_start.dir


Completed Files:


portfolio.dir


This is the fifth lesson in the Portfolio Presentation project. In this lesson you''ll get to know more of the Lingo necessary for creating advanced projects as you add functionality to the portfolio project.


The completed portfolio project


[View full size image]



First, let''s talk a little history. Lingo was first introduced in 1988 when VideoWorks Interactive Pro became Director 1.0. At that time John Henry Thompson and the lesser-known Erik Neumann replaced the original Tiny Basic engine with the Lingo scripting engine. Since its inception, Lingo has evolved from a somewhat cumbersome and verbose language into the robust object-oriented and dot-syntax-enabled language it is today.


To be able to create more advanced applications and interactivity, you''ll need a good solid foundation in Lingo. Knowing how Director passes events to various objects and how to handle those events is the first step in your understanding. Along with that, you''ll explore the new Director Object Model (DOM), which is new in Director MX 2004. You also learn how to generalize behaviors using properties and how to use the getPropertyDescriptionList handler in order to produce custom dialog boxes for your behaviors.



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