    class
    	WEL_NMHDR

    Ancestors
    	WEL_STRUCTURE*
    	WEL_WINDOWS_ROUTINES

    Clients
    	EV_CONTAINER_IMP*
    	EV_INTERNAL_SILLY_WINDOW_IMP
    	EV_INTERNAL_TOOL_BAR_IMP
    	EV_MULTI_COLUMN_LIST_IMP
    	EV_SPIN_BUTTON_IMP
    	WEL_COMBO_BOX_EX*
    	WEL_COMPOSITE_WINDOW*
    	WEL_HD_NOTIFY
    	WEL_HEADER_CONTROL
    	WEL_LIST_VIEW
    	WEL_LV_DISPINFO
    	WEL_LV_KEYDOWN
    	WEL_MSG_FILTER
    	WEL_NMHDR
    	WEL_NM_COMBO_BOX_EX
    	WEL_NM_COMBO_BOX_EX_ENDEDIT
    	WEL_NM_CUSTOM_DRAW
    	WEL_NM_HEADER
    	WEL_NM_LIST_VIEW
    	WEL_NM_LIST_VIEW_GETINFOTIP
    	WEL_NM_TOOL_BAR
    	WEL_NM_TREE_VIEW
    	WEL_NM_TREE_VIEW_GETINFOTIP
    	WEL_NM_UP_DOWN_CONTROL
    	WEL_NOTIFY_MESSAGE
    	WEL_REBAR
    	WEL_RICH_EDIT
    	WEL_RICH_EDIT_SELCHANGE
    	WEL_TAB_CONTROL
    	WEL_TC_KEYDOWN
    	WEL_TOOLTIP_TEXT
    	WEL_TOOL_BAR
    	WEL_TREE_VIEW
    	WEL_TV_DISPINFO
    	WEL_TV_KEYDOWN
    	WEL_WINDOW*

    Suppliers
    	INTEGER_32
    	WEL_NMHDR