swf_viewport Select an area for future drawing &reftitle.description; voidswf_viewport floatxmin floatxmax floatymin floatymax Selects an area for future drawing for xmin to xmax and ymin to ymax, if this function is not called the area defaults to the size of the screen. &reftitle.parameters; xmin xmax ymin ymax &reftitle.returnvalues; &return.void;