AS inheritance constructor 101

Subclass constructors need arguments

When extending a class whose constuctor got arguments other than “Void”, you need to explicitly call super(args) in its constructor in order to receive all the arguments from the subclasses instantiation.


function ThumbnailAni(url:String, x:Number, y:Number, maskID:String, maskFrmID:String, initAt:MovieClip)
super(url, x, y, maskID, maskFrmID, initAt);

Subclasses of Movieclips or UIComponents that got metadata from intialized objects don’t need to do this since Inspectable variables will be passed by init obj when attachMovie() is called.


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