ActionScript for Flash MX: The Definitive Guide, 2nd Edition By Colin Moock
Chapter 18. ActionScript Language Reference
MovieClip.nextFrame( ) Method
Flash 5
advance a clip or movie's playhead one frame and stop it
mc.nextFrame()
Description
The MovieClip.nextFrame( ) method is an alternative to the global nextFrame( ) function. Use the MovieClip method form to control remote movie clips or main movies specified by mc.
For general usage instructions, see the global nextFrame( ) function.
Example
// Advance slideshow_mc one frame and stop the playhead slideshow_mc.nextFrame();