(no version information, might be only in CVS)
SWFbutton->addShape -- Adds a shape to a button
Description
void 
swfbutton->addshape ( resource shape, int flags )
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     swfbutton->addshape() adds the shape 
     shape to this button. The following 
     flags' values are valid: 
     SWFBUTTON_UP, SWFBUTTON_OVER, SWFBUTTON_DOWN or SWFBUTTON_HIT.
     SWFBUTTON_HIT isn't ever displayed, it defines the hit region for the button.
     That is, everywhere the hit shape would be drawn is considered a "touchable" 
     part of the button.