    class
    	EV_GRID_COLUMN_I

    Ancestors
    	EV_DESELECTABLE_I*
    	EV_GRID_COLUMN_ACTION_SEQUENCES_I
    	REFACTORING_HELPER

    Clients
    	EV_GRID_COLUMN
    	EV_GRID_COLUMN_I
    	EV_GRID_DRAWER_I
    	EV_GRID_HEADER_ITEM
    	EV_GRID_I*
    	EV_GRID_ITEM_I
    	EV_GRID_LABEL_ITEM_I
    	EV_GRID_ROW_I
    	PREFERENCES_GRID

    Suppliers
    	ACTION_SEQUENCE [EVENT_DATA -> TUPLE create default_create end]
    	ARRAYED_LIST [G]
    	BOOLEAN
    	EV_DRAWING_AREA
    	EV_GRID
    	EV_GRID_ARRAYED_LIST [G]
    	EV_GRID_COLUMN
    	EV_GRID_COLUMN_I
    	EV_GRID_HEADER
    	EV_GRID_HEADER_ITEM
    	EV_GRID_I*
    	EV_GRID_ITEM
    	EV_GRID_ITEM_I
    	EV_GRID_LOCKED_COLUMN_I
    	EV_GRID_ROW
    	EV_GRID_ROW_I
    	EV_HEADER_ITEM_ACTION_SEQUENCE
    	EV_NOTIFY_ACTION_SEQUENCE
    	EV_PND_ACTION_SEQUENCE
    	INTEGER_32
    	SPECIAL [T]
    	STRING_32