Accessing sublayouts

You can obtain the sublayouts of a Multiple Layout instance by the following methods:
You can also change the sublayouts. Of course, you should not change the sublayouts while the Multiple Layout instance is attached to a graph. You should detach the graph first.
To set the sublayouts, the following methods are available:
void setFirstGraphLayout(IlvGraphLayout layout)  
void setSecondGraphLayout(IlvGraphLayout layout)  
void setLabelLayout(IlvLabelLayout layout)