- Because the focus of this book is ActionScript, our discussion in this lesson largely centers on how to work with and use Flash components from a scripting standpoint. - For a more thorough overview of components, consult the documentation that comes with Flash.. - A component is usually nothing more than a movie clip with some built-in functionality.. - Components can be customized using ActionScript in two ways:. - You add components to a project manually by dragging them onto the stage within Flash's authoring environment, via the Property Inspector or Component Inspector.. - You add components to a project dynamically using ActionScript while the movie plays.. - When a component is added by either technique, you're actually placing an instance of that component type/class into your project. - For example, if you drag and drop a CheckBox component onto the stage in the authoring environment, that object is. - considered to be a CheckBox component instance. - the instance name can be used in your scripts to communicate with that component instance.. - A number of user interface components ship with Flash. - These components allow you to create forms and menus, or to display information and visual content in interactive ways.. - Flash also ships with data components and media components. - Data components provide a relatively easy way of working with the data in your application, especially sending and retrieving external data. - Media components enable you to display and control the. - The primary focus of this lesson involves using and working with user interface components. - You'll learn about media element component types in later lessons.. - As you learn throughout this lesson, most components share some common. - As a result, the common ActionScript syntax works in the same way no matter what component instance you're scripting. - At the same time, each type of component is built to be used for a specific purpose. - thus, each type of component has some unique ActionScript commands.. - Configure a component instance while your movie plays. - Tell the component instance to react to a specific event. - Retrieve data from a component instance. - Change the appearance of a component instance. - In the exercises in this lesson, you'll implement each of these types of interactivity in the creation of a URL manager, which is used as a mini-database for Web, FTP, and email addresses
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