    class
    	WEL_REGION

    General
    	cluster: wel
    	description: "A region is a rectangle, polygon, or ellipse (or a combination of two or more of these shapes) that can be filled, painted, inverted, framed, and used to perform hit testing."
    	create: make_empty, make_by_pointer, make_elliptic_indirect, make_rect, make_rect_indirect, make_elliptic, make_polygon_winding, make_polygon_alternate

    Ancestors
    	WEL_GDI_ANY

    Queries
    	combine (region: WEL_REGION; mode: INTEGER_32): WEL_REGION
    	exists: BOOLEAN
    	gdi_objects_count: INTEGER_32
    	get_region_box: WEL_RECT
    	is_equal (other: [like Current] WEL_REGION): BOOLEAN
    	item: POINTER
    	object_id: INTEGER_32
    	point_in (x, y: INTEGER_32): BOOLEAN
    	rect_in (rect: WEL_RECT): BOOLEAN
    	reference_tracked: BOOLEAN
    	references_count: INTEGER_32
    	shared: BOOLEAN

    Commands
    	decrement_reference
    	delete
    	dispose
    	enable_reference_tracking
    	increment_reference
    	offset (x_offset, y_offset: INTEGER_32)
    	set_item (an_item: POINTER)
    	set_rect (left, top, right, bottom: INTEGER_32)
    	set_shared
    	set_unshared