ActionScript for Flash MX: The Definitive Guide, 2nd Edition By Colin Moock
Chapter 18. ActionScript Language Reference
MovieClip._currentframe Property
Flash 4
the frame number of the playhead of a clip or movie
read-only
mc._currentframe
Description
The integer _currentframe property represents the frame number at which the playhead of mc currently resides. Note that the first frame is 1, not 0; therefore, _currentframe ranges from 1 to mc._totalframes.
Example
// Send the playhead backward two frames from its current location this.gotoAndStop(this._currentframe - 2);
