UIObject.scaleX

Flash Player 6 (6.0.79.0).

Flash MX 2004.

componentInstance.scaleX

Property; a number indicating the scaling factor in the x direction of the object, relative to its parent.

The following example makes the check box twice as wide and sets the tmp variable to the horizontal scale factor:

checkbox.scaleX = 200;
var tmp:Number = checkbox.scaleX;