Returns a value that indicates whether the power source is currently supplied from a battery or from an external power source.
-1: Not supported. 0: Device is operating on battery power. 1: Device is operating on an external power source.
Availability: ActionScript 1.0; Flash Lite 1.1
The following example sets the myPower variable to indicate the power source, or to -1 if it was unable to do so:
myPower = fscommand2("GetPowerSource");