    deferred class
    	WEL_COMBO_BOX

    Ancestors
    	WEL_COMBO_BOX_CONSTANTS
    	WEL_CONTROL*

    Descendants
    	EV_INTERNAL_COMBO_BOX_IMP
    	WEL_COMBO_BOX_EX*
    	WEL_DROP_DOWN_COMBO_BOX
    	WEL_DROP_DOWN_LIST_COMBO_BOX
    	WEL_SIMPLE_COMBO_BOX

    Clients
    	EV_INTERNAL_COMBO_BOX_IMP
    	WEL_COMBO_BOX*

    Suppliers
    	BOOLEAN
    	INTEGER_32
    	STRING_8
    	WEL_COMBO_BOX*
    	WEL_RECT
    	WEL_STRING
    	WEL_WINDOW*