Macromedia flex 2 Manual

156

Creating Advanced Visual Components in ActionScript

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Basic component structure

The following example shows the basic structure of a Flex component:

package myComponents
{
    public class MyComponent extends UIComponent
    {
        ....
    }
}

You must define your ActionScript custom components within a package. The package 
reflects the directory location of your component within the directory structure of your 
application.

The class definition of your component must be prefixed by the 

public

 keyword. A file that 

contains a class definition can have one, and only one, public class definition, although it can 
have additional private class definitions.