    class
    	WEL_HEADER_CONTROL

    Ancestors
    	WEL_BIT_OPERATIONS
    	WEL_CONTROL*
    	WEL_HDF_CONSTANTS
    	WEL_HDI_CONSTANTS
    	WEL_HDM_CONSTANTS
    	WEL_HDN_CONSTANTS
    	WEL_HDS_CONSTANTS

    Descendants
    	EV_HEADER_IMP

    Clients
    	WEL_HEADER_CONTROL

    Suppliers
    	BOOLEAN
    	INTEGER_32
    	WEL_HD_HIT_TEST_INFO
    	WEL_HD_ITEM
    	WEL_HD_LAYOUT
    	WEL_HD_NOTIFY
    	WEL_HEADER_CONTROL
    	WEL_IMAGE_LIST
    	WEL_NMHDR
    	WEL_POINT
    	WEL_RECT
    	WEL_STRING
    	WEL_WINDOW*
    	WEL_WINDOW_POS