Developing Extensions for Macromedia Flash 8 explains how to build Flash JavaScript extensions to enhance the developer experience? When working in the Flash authoring environment. This book explains how each type of extension works and describes how the JavaScript application programming interface (API) functions that Flash calls to implement the extension. In Developing Extensions for Macromedia 8, Flash learn how to: ? Access, modify, and delete files and folders on the local file system Powerful development and design tools require thorough and authoritative technical advice and documentation. When it comes to Macromedia Flash, no one is more authoritative than Macromedia Development and writing teams.