Macromedia Flash components are movie clips with parameters that allow you to modify their appearance and behavior. A component can be a simple user interface control, such as a radio button or a check box, or it can contain content, such as a scroll pane; a component can also be non-visual, like the focus manager that allows you to control which object receives focus in an application.
Components enable you to build complex Macromedia Flash applications, even if you don’t have an advanced understanding of ActionScript. Rather than creating custom buttons, combo boxes, and lists, you can drag these components from the Components panel to add functionality to your applications. You can also easily customize the look and feel of components to suit your design needs.
Components are built on version 2 of the Macromedia Component Architecture, which allows you to build robust applications, easily and quickly, with a consistent appearance and behavior.
Each component has predefined parameters that you can set while authoring in Flash. Each component also has a unique set of ActionScript methods, properties, and events, also called an API (application programming interface), that allows you to set parameters and additional options at runtime.
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