    class
    	EV_GRID_ITEM_I

    Ancestors
    	EV_ANY_I*
    	EV_DESELECTABLE_I*
    	EV_GRID_ITEM_ACTION_SEQUENCES_I*
    	HASHABLE*
    	REFACTORING_HELPER

    Descendants
    	EV_GRID_DRAWABLE_ITEM_I
    	EV_GRID_LABEL_ITEM_I

    Clients
    	EV_GRID_COLUMN_I
    	EV_GRID_DRAWER_I
    	EV_GRID_I*
    	EV_GRID_ITEM
    	EV_GRID_ITEM_I
    	EV_GRID_LABEL_ITEM_I
    	EV_GRID_ROW_I

    Suppliers
    	ACTION_SEQUENCE [EVENT_DATA -> TUPLE create default_create end]
    	BOOLEAN
    	EV_DRAWABLE*
    	EV_GRID
    	EV_GRID_COLUMN
    	EV_GRID_COLUMN_I
    	EV_GRID_I*
    	EV_GRID_ITEM_ACTION_SEQUENCE
    	EV_GRID_ITEM_I
    	EV_GRID_LOCKED_COLUMN_I
    	EV_GRID_LOCKED_ROW_I
    	EV_GRID_ROW
    	EV_GRID_ROW_ACTION_SEQUENCE
    	EV_GRID_ROW_I
    	EV_NOTIFY_ACTION_SEQUENCE
    	EV_RECTANGLE
    	INTEGER_32
    	STRING_32
    	STRING_GENERAL*