    class
    	GB_VERTICAL_SPLIT_AREA

    General
    	obsolete: "Use EV_VERTICAL_SPLIT_AREA"
    	cluster: contrib_mswin
    	description: "Objects that represent a flat vertical split area."

    Ancestors
    	EV_VERTICAL_SPLIT_AREA

    Action sequences
    	conforming_pick_actions: EV_NOTIFY_ACTION_SEQUENCE
    	dock_ended_actions: EV_NOTIFY_ACTION_SEQUENCE
    	dock_started_actions: EV_NOTIFY_ACTION_SEQUENCE
    	drop_actions: EV_PND_ACTION_SEQUENCE
    	focus_in_actions: EV_NOTIFY_ACTION_SEQUENCE
    	focus_out_actions: EV_NOTIFY_ACTION_SEQUENCE
    	key_press_actions: EV_KEY_ACTION_SEQUENCE
    	key_press_string_actions: EV_KEY_STRING_ACTION_SEQUENCE
    	key_release_actions: EV_KEY_ACTION_SEQUENCE
    	mouse_wheel_actions: EV_INTEGER_ACTION_SEQUENCE
    	pick_actions: EV_PND_START_ACTION_SEQUENCE
    	pick_ended_actions: EV_PND_FINISHED_ACTION_SEQUENCE
    	pointer_button_press_actions: EV_POINTER_BUTTON_ACTION_SEQUENCE
    	pointer_button_release_actions: EV_POINTER_BUTTON_ACTION_SEQUENCE
    	pointer_double_press_actions: EV_POINTER_BUTTON_ACTION_SEQUENCE
    	pointer_enter_actions: EV_NOTIFY_ACTION_SEQUENCE
    	pointer_leave_actions: EV_NOTIFY_ACTION_SEQUENCE
    	pointer_motion_actions: EV_POINTER_MOTION_ACTION_SEQUENCE
    	resize_actions: EV_GEOMETRY_ACTION_SEQUENCE

    Queries
    	accept_cursor: EV_POINTER_STYLE
    	actual_drop_target_agent: FUNCTION [ANY, TUPLE [INTEGER_32, INTEGER_32], EV_ABSTRACT_PICK_AND_DROPABLE]
    	background_color: EV_COLOR
    	background_pixmap: EV_PIXMAP
    	client_height: INTEGER_32
    	client_width: INTEGER_32
    	count: INTEGER_32
    	data: ANY
    	default_key_processing_handler: PREDICATE [ANY, TUPLE [EV_KEY]]
    	deny_cursor: EV_POINTER_STYLE
    	extendible: BOOLEAN
    	first: EV_WIDGET
    	foreground_color: EV_COLOR
    	full: BOOLEAN
    	has (v: EV_WIDGET): BOOLEAN
    	has_capture: BOOLEAN
    	has_focus: BOOLEAN
    	has_recursive (an_item: [like item] EV_WIDGET): BOOLEAN
    	height: INTEGER_32
    	help_context: FUNCTION [ANY, TUPLE, EV_HELP_CONTEXT]
    	id_object (an_id: INTEGER_32): IDENTIFIED
    	is_destroyed: BOOLEAN
    	is_displayed: BOOLEAN
    	is_dockable: BOOLEAN
    	is_empty: BOOLEAN
    	is_external_docking_enabled: BOOLEAN
    	is_external_docking_relative: BOOLEAN
    	is_inserted (v: EV_WIDGET): BOOLEAN
    	is_item_expanded (an_item: EV_WIDGET): BOOLEAN
    	is_parent_recursive (a_widget: EV_WIDGET): BOOLEAN
    	is_sensitive: BOOLEAN
    	is_show_requested: BOOLEAN
    	item: EV_WIDGET
    	linear_representation: LINEAR [EV_WIDGET]
    	maximum_split_position: INTEGER_32
    	may_contain (v: EV_WIDGET): BOOLEAN
    	merged_radio_button_groups: ARRAYED_LIST [EV_CONTAINER]
    	minimum_height: INTEGER_32
    	minimum_split_position: INTEGER_32
    	minimum_width: INTEGER_32
    	mode_is_drag_and_drop: BOOLEAN
    	mode_is_pick_and_drop: BOOLEAN
    	mode_is_target_menu: BOOLEAN
    	object_id: INTEGER_32
    	parent: EV_CONTAINER
    	parent_of_source_allows_docking: BOOLEAN
    	pebble: ANY
    	pebble_function: FUNCTION [ANY, TUPLE, ANY]
    	pebble_positioning_enabled: BOOLEAN
    	pebble_x_position: INTEGER_32
    	pebble_y_position: INTEGER_32
    	pointer_position: EV_COORDINATE
    	pointer_style: EV_POINTER_STYLE
    	Prunable: BOOLEAN
    	readable: BOOLEAN
    	real_source: EV_DOCKABLE_SOURCE
    	real_target: EV_DOCKABLE_TARGET
    	screen_x: INTEGER_32
    	screen_y: INTEGER_32
    	second: EV_WIDGET
    	source_has_current_recursive (source: EV_DOCKABLE_SOURCE): BOOLEAN
    	split_position: INTEGER_32
    	splitter_width: INTEGER_32
    	target_name: STRING_GENERAL
    	width: INTEGER_32
    	writable: BOOLEAN
    	x_position: INTEGER_32
    	y_position: INTEGER_32

    Commands
    	center_pointer
    	copy (other: [like Current] GB_VERTICAL_SPLIT_AREA)
    	destroy
    	disable_capture
    	disable_dockable
    	disable_external_docking
    	disable_external_docking_relative
    	disable_item_expand (an_item: EV_WIDGET)
    	disable_pebble_positioning
    	disable_sensitive
    	enable_capture
    	enable_dockable
    	enable_external_docking
    	enable_external_docking_relative
    	enable_item_expand (an_item: EV_WIDGET)
    	enable_pebble_positioning
    	enable_sensitive
    	extend (an_item: EV_WIDGET)
    	go_to_first
    	go_to_second
    	hide
    	merge_radio_button_groups (other: EV_CONTAINER)
    	propagate_background_color
    	propagate_foreground_color
    	prune (v: EV_WIDGET)
    	prune_all (v: EV_WIDGET)
    	put (an_item: EV_WIDGET)
    	refresh_now
    	remove_background_pixmap
    	remove_default_key_processing_handler
    	remove_help_context
    	remove_pebble
    	remove_real_source
    	remove_real_target
    	replace (v: [like item] EV_WIDGET)
    	set_accept_cursor (a_cursor: [like accept_cursor] EV_POINTER_STYLE)
    	set_actual_drop_target_agent (an_agent: [like actual_drop_target_agent] FUNCTION [ANY, TUPLE [INTEGER_32, INTEGER_32], EV_ABSTRACT_PICK_AND_DROPABLE])
    	set_background_color (a_color: [like background_color] EV_COLOR)
    	set_background_pixmap (a_pixmap: EV_PIXMAP)
    	set_data (some_data: [like data] ANY)
    	set_default_colors
    	set_default_key_processing_handler (a_handler: [like default_key_processing_handler] PREDICATE [ANY, TUPLE [EV_KEY]])
    	set_deny_cursor (a_cursor: [like deny_cursor] EV_POINTER_STYLE)
    	set_drag_and_drop_mode
    	set_first (an_item: EV_WIDGET)
    	set_focus
    	set_foreground_color (a_color: [like foreground_color] EV_COLOR)
    	set_help_context (an_help_context: [like help_context] FUNCTION [ANY, TUPLE, EV_HELP_CONTEXT])
    	set_minimum_height (a_minimum_height: INTEGER_32)
    	set_minimum_size (a_minimum_width, a_minimum_height: INTEGER_32)
    	set_minimum_width (a_minimum_width: INTEGER_32)
    	set_pebble (a_pebble: [like pebble] ANY)
    	set_pebble_function (a_function: FUNCTION [ANY, TUPLE, ANY])
    	set_pebble_position (a_x, a_y: INTEGER_32)
    	set_pick_and_drop_mode
    	set_pointer_style (a_cursor: [like pointer_style] EV_POINTER_STYLE)
    	set_proportion (a_proportion: REAL_32)
    	set_real_source (dockable_source: EV_DOCKABLE_SOURCE)
    	set_real_target (a_target: EV_DOCKABLE_TARGET)
    	set_second (an_item: EV_WIDGET)
    	set_split_position (a_split_position: INTEGER_32)
    	set_target_menu_mode
    	set_target_name (a_name: STRING_GENERAL)
    	show
    	unmerge_radio_button_groups (other: EV_CONTAINER)
    	wipe_out