    class
    	EV_TREE

    Ancestors
    	EV_ITEM_PIXMAP_SCALER*
    	EV_PRIMITIVE*
    	EV_TREE_ACTION_SEQUENCES*
    	EV_TREE_NODE_LIST*

    Descendants
    	EV_CHECKABLE_TREE

    Clients
    	EV_TREE
    	EV_TREE_IMP
    	EV_TREE_NODE_I*
    	EV_TREE_NODE_IMP
    	PREFERENCES_WINDOW
    	PREFERENCES_WINDOW_IMP*

    Suppliers
    	BOOLEAN
    	EV_PRIMITIVE*
    	EV_TREE
    	EV_TREE_I*
    	EV_TREE_IMP
    	EV_TREE_NODE_LIST*