deferred class
	EV_REGION_I

General
	cluster: implementation_mswin
	description: "Implementation Interface for EV_REGION"

Ancestors
	EV_ANY_I*

Queries
	exclusive_or (a_region: EV_REGION): EV_REGION
	intersect (a_region: EV_REGION): EV_REGION
	is_region_equal (other: EV_REGION): BOOLEAN
	subtract (a_region: EV_REGION): EV_REGION
	union (a_region: EV_REGION): EV_REGION

Commands
	copy_region (other: EV_REGION)
	offset (a_horizontal_offset, a_vertical_offset: INTEGER_32)
	set_rectangle (a_rectangle: EV_RECTANGLE)