    class
    	EV_DRAWING_AREA

    Ancestors
    	EV_DRAWABLE*
    	EV_DRAWING_AREA_ACTION_SEQUENCES*
    	EV_PRIMITIVE*
    	EV_TAB_CONTROLABLE*

    Descendants
    	EV_RICH_TEXT_TAB_POSITIONER

    Clients
    	EV_DRAWING_AREA
    	EV_DRAWING_AREA_PROJECTOR
    	EV_GRID_COLUMN_I
    	EV_GRID_I*
    	EV_GRID_LOCKED_I*
    	EV_GRID_ROW_I
    	EV_MODEL_BUFFER_PROJECTOR
    	EV_MODEL_DRAWING_AREA_PROJECTOR
    	EV_MODEL_WORLD_CELL
    	EV_RICH_TEXT_TAB_POSITIONER

    Suppliers
    	BOOLEAN
    	EV_DRAWABLE*
    	EV_DRAWING_AREA
    	EV_DRAWING_AREA_I*
    	EV_DRAWING_AREA_IMP
    	EV_PRIMITIVE*