    class
    	EV_HORIZONTAL_SPLIT_AREA_IMP

    Ancestors
    	EV_HORIZONTAL_SPLIT_AREA_I*
    	EV_SPLIT_AREA_IMP*

    Clients
    	EV_HORIZONTAL_SPLIT_AREA
    	EV_HORIZONTAL_SPLIT_AREA_IMP

    Suppliers
    	BOOLEAN
    	EV_HORIZONTAL_SPLIT_AREA_IMP
    	EV_NEW_ITEM_ACTION_SEQUENCE
    	EV_SPLIT_AREA_IMP*
    	EV_WIDGET*
    	EV_WIDGET_I*
    	EV_WIDGET_IMP*
    	EV_WINDOW_IMP
    	INTEGER_32
    	REAL_64
    	WEL_BITMAP
    	WEL_BRUSH
    	WEL_CURSOR
    	WEL_IDC_CONSTANTS
    	WEL_PAINT_DC
    	WEL_RECT
    	WEL_SYSTEM_PARAMETERS_INFO
    	WEL_WINDOW_DC