    deferred class
    	WEL_COMBO_BOX_EX

    Ancestors
    	WEL_COMBO_BOX*

    Descendants
    	WEL_DROP_DOWN_COMBO_BOX_EX
    	WEL_DROP_DOWN_LIST_COMBO_BOX_EX

    Clients
    	WEL_COMBO_BOX_EX*
    	WEL_NM_COMBO_BOX_EX

    Suppliers
    	BOOLEAN
    	INTEGER_32
    	STRING_32
    	WEL_COMBO_BOX_EX*
    	WEL_COMBO_BOX_EX_ITEM
    	WEL_IMAGE_LIST
    	WEL_NMHDR
    	WEL_NM_COMBO_BOX_EX
    	WEL_NM_COMBO_BOX_EX_ENDEDIT
    	WEL_STRING