indexing

	description: "COM IProvideClassInfo interface"
	status: "See notice at end of class";
	date: "$Date$";
	revision: "$Revision$"

class
	EOLE_PROVIDE_CLASS_INFO

inherit
	EOLE_UNKNOWN
		redefine
			interface_identifier,
			interface_identifier_list
		end

creation
	make
	
feature -- Access

	interface_identifier: STRING is
			-- Unique interface identifier
		once
			Result := Iid_provide_class_info
		end

	interface_identifier_list: LINKED_LIST [STRING] is
			-- List of supported interfaces
		once
			Result := Precursor
			Result.extend (Iid_provide_class_info)
		end

feature -- Message Transmission

	get_class_info: EOLE_TYPE_INFO is
			-- EOLE_TYPE_INFO interface for object's type information 
			-- Not meant to be redefined; redefine `on_get_class_info' instead.
		require
			valid_interface: is_valid_interface
		do
			Result := ole2_provide_class_info_get_class_info (ole_interface_ptr)
		end

feature {EOLE_CALL_DISPATCHER} -- Callback

	on_get_class_info: EOLE_TYPE_INFO is
			-- EOLE_TYPE_INFO interface for object's type information 
			-- Redefine in descendant if needed.
		do
			set_last_hresult (E_notimpl)
		end

feature {NONE} -- Externals

	ole2_provide_class_info_get_class_info (p: POINTER): EOLE_TYPE_INFO is
		external
			"C"
		alias
			"eole2_provide_class_info_get_class_info"
		end
	
end -- class EOLE_PROVIDE_CLASSINFO

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