Gets the URL, object, class or string name of a class to load as the content.
The value of the source property represents a relative or absolute URL; a ByteArray representing a SWF, GIF, JPEG, or PNG; an object that implements IFlexDisplayObject; a class whose type implements IFlexDisplayObject; or a String that represents a class.
protected String source { get; }
'Declaration
Protected Read Property source As String