new JLoadPane()public function getLayoutAlignmentY(target:Container):NumberReturns the alignment along the y axis. This specifies how the component would like to be aligned relative to other components. The value should be a number between 0 and 1 where 0 represents alignment along the origin, 1 is aligned the furthest away from the origin, 0.5 is centered, etc.
public function invalidateLayout(target:Container):VoidInvalidates the layout, indicating that if the layout manager has cached information it should be discarded.