Adobe Flash ActionScript 3.0 for Designers Tutorials Thus far we've been writing all of our scripts in the Script Pane of the Actions Window, however, more advanced coders also write their own classes or extend the functionality of existing ActionScript classes.

Before you start working with video in Flash Pro, it is important to understand the following information: Flash Pro can only play specific video formats. These include FLV, F4V, and MPEG video. For instructions on converting video in other formats, see Create video files for use in Flash.