ui/src/main/java/ucar/util/prefs/ui/LayoutM.java
public void invalidateLayout(Container target){
      if (debug) System.out.println(name+" invalidateLayout ");
      globalBounds = null;

      // this probably need to be scheduled later ??
      // layoutContainer( target);
    }
public void invalidateLayout(Container target){
      if (debug) System.out.println(name+" invalidateLayout ");
      globalBounds = null;

      // this probably need to be scheduled later ??
      // layoutContainer( target);
    }
Invalidates the layout, indicating that if the layout manager
has cached information it should be discarded.